TY  - RPRT
TI  - Decrease in twinning rate in a hospital in Tokyo during World War II.
AU  - I Nakamura
AU  - K Nonaka
AU  - T Miura
PY  - 1990
DO  - 10.1017/s0001566000005249
UR  - https://pubmed.ncbi.nlm.nih.gov/2085069/
ID  - 2085069
ER  -