TY  - RPRT
TI  - Injectable long-acting progestogen contraception: a neglected modality.
AU  - A G Rosenfield
PY  - 1974
DO  - 10.1016/0002-9378(74)90633-4
UR  - https://pubmed.ncbi.nlm.nih.gov/4606673/
ID  - 4606673
ER  -