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May 3, 1930


JAMA. 1930;94(18):1423-1424. doi:10.1001/jama.1930.02710440061025

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Increase of Dysentery in Tokyo  In spite of all precautions against the epidemic, the cases of dysentery in Tokyo are reported to have increased in number, especially among children. The proportion of children affected under 6 years of age is 56 per cent; from 6 to 10 years, 18 per cent, and from 11 to 15 and each five years more than 15 it is only 4 per cent. The mortality during 1929 was 39.26 per cent.

The Menses of Japanese Women  Dr. Obata has published the results of investigations on the menses of Japanese women. Questionnaires were sent to school girls in the Japan Girls' College, the Hamada Midwives' School and several other girls' high schools in Tokyo, and he received 15,032 replies. Fifteen medical investigators previously reported the average age of Japanese women when menstruation began as from 14 years and 5 months to 15 years and 9

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