| Literature DB >> 6789925 |
E F van Leeuwen, F M Helmerhorst, C P Engelfriet, A E von dem Borne.
Abstract
Entities:
Mesh:
Substances:
Year: 1981 PMID: 6789925 PMCID: PMC1506061 DOI: 10.1136/bmj.283.6284.104
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623