TY  - RPRT
TI  - Vasectomy in Colombia: a pilot study.
AU  - A Goldsmith
AU  - G Echeverria
AU  - R Goldberg
PY  - 1973
DO  - 10.1017/s0021932000009366
UR  - https://pubmed.ncbi.nlm.nih.gov/4754835/
ID  - 4754835
ER  -