Selection of controls--always a challenge.
Scoccia
B
B
Elter
K
K
Nelson
L R
LR
D016022:Case-Control Studies; D005260:Female; D005307:Fertilization in Vitro; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006801:Humans; D007247:Infertility, Female / Q000097:blood / Q000175:diagnosis*; D008403:Mass Screening / Q000379:methods; D011237:Predictive Value of Tests; D011247:Pregnancy; D011379:Prognosis; D012372:ROC Curve; D012016:Reference Values; D015203:Reproducibility of Results
D005640:Follicle Stimulating Hormone