TY  - RPRT
TI  - [Biphasic therapy using Sequenz-Ovosiston for hormonal contraception].
AU  - K Ebeling
AU  - K Kühndel
AU  - K Rothe
AU  - E Canzler
PY  - 1971
UR  - https://pubmed.ncbi.nlm.nih.gov/4111418/
ID  - 4111418
ER  -