| Literature DB >> 1357411 |
Abstract
Keywords: Health Care and Public Health; Lancet; Nineteenth Century
Mesh:
Substances:
Year: 1992 PMID: 1357411 DOI: 10.1016/0140-6736(92)93021-e
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321