TY  - RPRT
TI  - Fertility control agents as a possible solution to the world population problem.
AU  - M M Ketchel
PY  - 1968
DO  - 10.1353/pbm.1968.0013
UR  - https://pubmed.ncbi.nlm.nih.gov/5673784/
ID  - 5673784
ER  -