TY  - RPRT
TI  - Clinical evaluation of two biphasic and one triphasic norgestrel/ethinyl estradiol regimens.
AU  - A Larrañaga
AU  - J N Sartoretto
AU  - M Winterhalter
AU  - F Navas Filho
PY  - 1978
UR  - https://pubmed.ncbi.nlm.nih.gov/40893/
ID  - 40893
ER  -