TY  - RPRT
TI  - A study comparing a gestoden triphasic formulation with a fixed combination OC.
AU  - T Agoestina
AU  - U Sabarudin
AU  - G Hoppe
PY  - 1989
DO  - 10.1007/bf01849474
UR  - https://pubmed.ncbi.nlm.nih.gov/2596365/
ID  - 2596365
ER  -