| Literature DB >> 4328216 |
K W Martin, N R Grist, W Blair, W K Brown, A Clarke, A M McAlister.
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Year: 1971 PMID： 4328216 DOI： 10.1016/s0033-3506(71)80071-9
Source DB: PubMed Journal: Public Health ISSN： 0033-3506 Impact factor: 2.427