Hiro-Sato Niwa - Articles - Scientific Research Publishing

Uncertainty in a Measurement of Density Dependence on Population Fluctuations (Articles)

Hiro-Sato Niwa

Applied Mathematics Vol.5 No.8, April 29, 2014

DOI: 10.4236/am.2014.58104 4,945 Downloads 6,807 Views Citations
An Extremely Rare Torsion Case of Ovarian Yolk Sac Tumor in Postmenopausal Woman (Articles)

Kenji Niwa, Saki Tsurue, Yuzo Niwa, Yoh Hayasaki, Sakae Mori, Kentaro Niwa, Takuji Tanaka

Open Journal of Pathology Vol.16 No.3, April 29, 2026

DOI: 10.4236/ojpathology.2026.163016 35 Downloads 199 Views Citations
Primary Small Cell Neuroendocrine Carcinoma of the Endometrium: A Cytologically Diagnosed Case with Immunocytochemical, Immunohistochemical, and Electron Microscopic Features (Articles)

Kentaro Nagata, Kenji Niwa, Sakae Mori, Keigo Kuwabara, Motoki Takenaka, Yoshio Yamaguchi, Kentaro Niwa, Takuji Tanaka

Open Journal of Pathology Vol.10 No.4, September 14, 2020

DOI: 10.4236/ojpathology.2020.104011 870 Downloads 3,361 Views Citations
Congenital Dysfibrinogenemia Presented with Massive Hematomas Formed after Hysterectomy (Articles)

Kenji Niwa, Kentaro Nagata, Takefumi Nakagami, Ryuichiro Shimaoka, Kentaro Niwa, Motoki Takenaka, Takuji Tanaka, Nobuo Okumura

Case Reports in Clinical Medicine Vol.10 No.4, April 22, 2021

DOI: 10.4236/crcm.2021.104013 511 Downloads 1,588 Views Citations
Endometrial Hyperplasia with Conservative Treatment Using the Progestin or EP Agents, Compared to Cases that Worsen during Observation (Articles)

Kenji Niwa, Saki Tsurue, Kentaro Niwa, Yoh Hayasaki, Masanori Isobe, Takuji Tanaka

Open Journal of Pathology Vol.16 No.1, January 4, 2026

DOI: 10.4236/ojpathology.2026.161007 73 Downloads 435 Views Citations
Primary Serous Cystadenocarcinoma of Broad Ligament: A Case Report with Laparoscopic, Histopathologic and Immunohistochemical Findings (Articles)

Kenji Niwa, Motoki Takenaka, Takeaki Saitake, Tiger Koike, Kentaro Nagata, Kentaro Niwa, Kohjiro Niwa, Sakae Mori, Keigo Kuwabara, Akane Onogi, Takuji Tanaka

Open Journal of Pathology Vol.12 No.1, December 13, 2021

DOI: 10.4236/ojpathology.2022.121003 351 Downloads 2,098 Views Citations
Efficacy of Cognitive Remediation in Schizophrenia: A Short Review of Its Variable Effects According to Cognitive Domain (Articles)

Akihiko Katsumi, Hiroshi Hoshino, Satoshi Fujimoto, Shin-Ichi Niwa

Open Journal of Psychiatry Vol.5 No.2, March 30, 2015

DOI: 10.4236/ojpsych.2015.52019 4,488 Downloads 6,396 Views Citations
Introduction of Music Therapy Incorporated into Cognitive Remediation: A New Approach to Cognitive Dysfunction in Psychiatric Disorders and a Preliminary Report on Its Effects in Schizophrenia (Articles)

Naoko Kosugi, Chiaki Oshiyama, Naoki Kodama, Shin-Ichi Niwa

Open Journal of Psychiatry Vol.9 No.1, January 18, 2019

DOI: 10.4236/ojpsych.2019.91003 1,795 Downloads 4,012 Views Citations
Asymptomatic Anisakiasis of the Colon Diagnosed and Treated by Colonoscopy (Articles)

Tomoshi Takeda, Kenji Niwa, Akie Sano, Atsunori Kodama, Kuninori Hatasa, Yasunari Matsuno, Masao Kagami, Motoki Takenaka, Kohjiro Niwa, Takuji Tanaka

Case Reports in Clinical Medicine Vol.9 No.9, September 21, 2020

DOI: 10.4236/crcm.2020.99041 706 Downloads 2,687 Views Citations
Primary Ovarian Carcinosarcoma: Cytological, Pathological, Immunocytochemical, and Immunohistochemical Features (Articles)

Kenji Niwa, Sakae Mori, Keigo Kuwabara, Kentaro Nagata, Motoki Takenaka, Tomomi Shiga, Yoshio Yamaguchi, Kentaro Niwa, Takuji Tanaka

Open Journal of Pathology Vol.11 No.1, January 21, 2021

DOI: 10.4236/ojpathology.2021.111003 796 Downloads 2,435 Views Citations
Cytology and Genetic Analysis of Liver Echinococcosis in a Woman Came from Bolivia (Articles)

Naoki Futamra, Kenji Niwa, Masato Ohta, Sakae Mori, Ayumi Hara, Yuzo Niwa, Yoshifumi Katagiri, Takuji Tanaka, Kentaro Nakamoto

Case Reports in Clinical Medicine Vol.11 No.9, September 22, 2022

DOI: 10.4236/crcm.2022.119056 256 Downloads 1,065 Views Citations
Follow-Up of HPV Clearance after LEEP Conization and Vaporization for CIN2⁺, and Vaporization for VaIN2 (Articles)

Kenji Niwa, Saki Tsurue, Rui Kyogoku, Masanori Isobe, Yoh Hayasaki, Sakae Mori, Keigo Kuwabara, Kentaro Niwa, Takuji Tanaka

Open Journal of Pathology Vol.15 No.3, July 8, 2025

DOI: 10.4236/ojpathology.2025.153013 104 Downloads 3,100 Views Citations
Extensive Subcutaneous Emphysema and Ventilatory Failure during Gynecologic Laparoscopic Surgery: A Case Report (Articles)

Kentaro Niwa, Kenji Niwa, Hirokazu Yamada, Yuzu Iwakaki, Yusuke Amaya, Sayaka Fujiwara, Hideaki Tsuyoshi, Makoto Orisaka, Yoshio Yoshida

Case Reports in Clinical Medicine Vol.14 No.7, July 16, 2025

DOI: 10.4236/crcm.2025.147044 100 Downloads 622 Views Citations
Improvement in social skills in patients with schizophrenia following 6 months of day-care treatment (Articles)

Hiroshi Sakuma, Yasuhisa Miyamoto, Yoshiko Yamamoto, Sachie Miura, Shin-Ichi Niwa

Open Journal of Psychiatry Vol.2 No.4, November 27, 2012

DOI: 10.4236/ojpsych.2012.224049 6,036 Downloads 9,843 Views Citations
Airway Management for Treacher Collins Syndrome with Limited Mouth Opening (Articles)

Aiji Boku, Hiroshi Hanamoto, Chiho Kudo, Yoshinari Morimoto, Mistutaka Sugimura, Midori Tooyama, Hitoshi Niwa

Open Journal of Anesthesiology Vol.3 No.2, March 30, 2013

DOI: 10.4236/ojanes.2013.32022 6,625 Downloads 10,582 Views Citations
Comparison of adults with attention-deficit/hyperactivity disorder versus Asperger’s disorder using the WAIS-R (Articles)

Yasuko Takanashi, Hirobumi Mashiko, Shuntaro Itagaki, Hiromichi Ishikawa, Norihiro Miyashita, Shin-Ichi Niwa

Open Journal of Psychiatry Vol.3 No.2, April 10, 2013

DOI: 10.4236/ojpsych.2013.32020 5,687 Downloads 8,929 Views Citations
Effects of combination pharmacotherapy and social skills training for schizophrenia: A randomized controlled trial (Articles)

Eiko Shimada, Nobuo Anzai, Emi Ikebuchi, Shin-Ichi Niwa, Masahisa Nishizono

Open Journal of Psychiatry Vol.3 No.3, June 26, 2013

DOI: 10.4236/ojpsych.2013.33026 4,536 Downloads 7,984 Views Citations
Effects of Lithium and Valproic Acid on the Production of Brain-Derived Neurotrophic Factor in Astrocytoma (Articles)

Koji Ohtomo, Satoshi Nishino, Masatake Kurita, Hirobumi Mashiko, Shin-ichi Niwa

Open Journal of Psychiatry Vol.4 No.3, July 22, 2014

DOI: 10.4236/ojpsych.2014.43032 2,932 Downloads 4,329 Views Citations
Proliferative Brenner Tumor with Borderline Mucinous Cystadenocarcinoma of the Ovary in a 75-Year-Old Woman (Articles)

Kenji Niwa, Hiroshi Makino, Yoshio Yamaguchi, Sakae Mori, Nozomi Narikawa, Takuji Tanaka

Open Journal of Pathology Vol.4 No.2, April 22, 2014

DOI: 10.4236/ojpathology.2014.42008 4,725 Downloads 6,708 Views Citations
A Preliminary Near-Infrared Spectroscopy Study in Adolescent and Adult Patients with Attention-Deficit/Hyperactivity Disorder Symptoms (Articles)

Tomohiko Matsuo, Sachie Oshima, Yasuto Kunii, Takaaki Okano, Hirooki Yabe, Shinichi Niwa

Open Journal of Psychiatry Vol.4 No.4, October 28, 2014

DOI: 10.4236/ojpsych.2014.44046 3,366 Downloads 4,780 Views Citations

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