| Literature DB >> 15663112 |
Martin G F Lupton1, David J Williams.
Abstract
Entities:
Keywords: Biomedical and Behavioral Research
Mesh:
Year: 2004 PMID: 15663112 DOI: 10.1111/j.1471-0528.2004.00342.x
Source DB: PubMed Journal: BJOG ISSN: 1470-0328 Impact factor: 6.531