| Literature DB >> 552467 |
H M Nutbeam, L Sinclair, V G Oberholzer.
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Year: 1979 PMID: 552467 PMCID: PMC1437258 DOI: 10.1177/014107687907201216
Source DB: PubMed Journal: J R Soc Med ISSN: 0141-0768 Impact factor: 18.000