Semen analysis: setting standards for the measurement of sperm numbers.
Björndahl
Lars
L
Assisted Conception Unit, Birmingham Women's Hospital, Metchley Park Road, Birmingham B15 2TG, United Kingdom.
Barratt
Christopher L R
CL
D033441:Andrology / Q000592:standards*; D006801:Humans; D008297:Male; D011785:Quality Assurance, Health Care; D012015:Reference Standards; D012661:Semen / Q000166:cytology*; D013076:Sperm Count / Q000379:methods*