How much confidence to place in a negative result?
Roman
Horace
H
Hulsey
Tara F
TF
Hulsey
Thomas C
TC
D004715:Endometriosis / Q000188:drug therapy / Q000473:pathology*; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000627:therapeutic use; D015203:Reproducibility of Results; D016896:Treatment Outcome
D016912:Levonorgestrel