The July phenomenon: why don't we see it in obstetrics?
Caughey
A B
AB
D000328:Adult; D036861:Delivery, Obstetric / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D007396:Internship and Residency; D009774:Obstetrics / Q000193:education*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D012621:Seasons