Multiple confounders--measured with error?
Jerome H
JH
Check
Vincent
V
Graziano
D000282:Administration, Intravaginal; D004717:Endometrium / Q000187:drug effects* / Q000473:pathology; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D010726:Phosphodiesterase Inhibitors / Q000008:administration & dosage*; D010879:Piperazines / Q000008:administration & dosage*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate