Greenhall, E. and Vessey, M. (1990) The Prevalence of Subfertility: A Review of the Current Confusion and a Report of Two New Studies. Fertility and Sterility, 54, 978-983.
https://doi.org/10.1016/S0015-0282(16)53990-9

has been cited by the following article:

• TITLE: Low Sperm Counts: Biophysical Profiles of Oligospermic Males in Sub-Saharan Africa

  AUTHORS: Abayomi B. Ajayi, Bamgboye M. Afolabi, Victor D. Ajayi, Ifeoluwa Oyetunji

  KEYWORDS: Oligospermia, Age, Body Mass Index, Male Infertility, Sperm Cell Defects,

  JOURNAL NAME: Open Journal of Urology, Vol.8 No.8, August 23, 2018

  ABSTRACT: Introduction: Male infertility is a public health burden and a psychological dilemma in the life of the affected man. Subjects and Methods: A total of 911 men were studied retrospectively, from 2010 to 2015. Among these, 49.7% had normal sperm count, 39.3% were oligospermic and 12.0% were azoosper-mic. Azoospermic men were withdrawn from this study solely to investigate the seminal fluid parameters and the biophysical characteristics of oligospermic men in contrast to those with normal sperm count. Age was stratified into