TY  - RPRT
TI  - Vasal sterilization in China.
AU  - X Liu
AU  - S Li
PY  - 1993
DO  - 10.1016/0010-7824(93)90144-v
UR  - https://pubmed.ncbi.nlm.nih.gov/8222655/
ID  - 8222655
ER  -