| Literature DB >> 12969925 |
Carol Coupland1, Julia Hippisley-Cox, Denise Kendrick, Lindsay Groom, Elizabeth Cross, Boki Savelyich.
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Year: 2003 PMID: 12969925 PMCID: PMC194085 DOI: 10.1136/bmj.327.7415.593
Source DB: PubMed Journal: BMJ ISSN: 0959-8138