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STANDARD OF MIDWIVES IN LONDON.
Severmann, S., Lyons, T.W., Duan, Y., Anbar, A., Gordon, G., McManus, J.Volume:
217
Language:
english
Journal:
The Lancet
DOI:
10.1016/S0140-6736(01)18940-3
Date:
April, 1931
File:
PDF, 350 KB
english, 1931