@misc{indiciae3f88e273e148, title = {Injectable long-acting progestogen contraception: a neglected modality.}, author = {A G Rosenfield}, year = {1974}, doi = {10.1016/0002-9378(74)90633-4}, url = {https://pubmed.ncbi.nlm.nih.gov/4606673/}, note = {Source identifier: 4606673} }