TY  - RPRT
TI  - Letter: Birth control and genetic changes in Chile.
AU  - R Cruz-Coke
PY  - 1976
DO  - 10.1016/s0140-6736(76)90394-9
UR  - https://pubmed.ncbi.nlm.nih.gov/55871/
ID  - 55871
ER  -