| Literature DB >> 5100377 |
J H Walker, L Bowring, V Morris, J Rice, J R Thornham, C S Townsend, P S Veitch, D Williams.
Abstract
Mesh：
Year: 1971 PMID： 5100377 PMCID： PMC1795033 DOI： 10.1136/bmj.1.5745.392
Source DB: PubMed Journal: Br Med J ISSN： 0007-1447