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Postal surveillance of acute respiratory virus infections in general practice
Karen W. Martin, N.R. Grist, W. Blair, W.K. Brown, Alison Clarke, Alison M.T. McAlisterVolume:
85
Year:
1971
Language:
english
DOI:
10.1016/s0033-3506(71)80071-9
File:
PDF, 307 KB
english, 1971