(Q67020381)
Statements
Analysis of multiple birth rates in Japan. 1. Secular trend, maternal age effect, and geographical variation in twinning rates (English)
Analysis of Multiple Birth Rates in Japan.1. Secular Trend, Maternal Age Effect, and Geographical Variation in Twinning Rates (English)
1 reference
Y. Imaizumi
1 January 1979
1 reference