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Public Health
Suarez, F.L., Furne, J.K., Springfield, J.R., Levitt, M.D.Volume:
284
Language:
english
Journal:
The Lancet
DOI:
10.1016/S0140-6736(64)90087-X
Date:
July, 1964
File:
PDF, 168 KB
english, 1964