Declining human fertility?
Jensen
T K
TK
Keiding
N
N
Scheike
T
T
Slama
R
R
Spira
A
A
D000328:Adult; D000367:Age Factors; D005260:Female; D005298:Fertility; D006069:Gonorrhea / Q000453:epidemiology; D006801:Humans; D007248:Infertility, Male / Q000453:epidemiology; D008297:Male; D011247:Pregnancy / Q000706:statistics & numerical data*; D012907:Smoking; D013094:Spermatozoa / Q000502:physiology; D013548:Sweden; D013997:Time Factors