TY  - RPRT
TI  - Spermicides and Down's syndrome.
AU  - P F Van Peenen
AU  - N A Nelson
PY  - 1982
DO  - 10.2105/ajph.72.9.1047-a
UR  - https://pubmed.ncbi.nlm.nih.gov/6213158/
ID  - 6213158
ER  -