Public Health

WANG, Gao-song, ZHAO, Zhi-hao, ZHANG, Yi-hang, CUI, Jian-zhong

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Volume:

249

Language:

english

Journal:

The Lancet

DOI:

10.1016/S0140-6736(47)91401-3

Date:

June, 1947

File:

PDF, 432 KB

english, 1947

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