PLoS Medicine (2006) - Comment
pubmed: 16866579  doi: 10.1371/journal.pmed.0030265  issn: 1549-1676 

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Olga Kapellou, Serena J Counsell, Nigel Kennea, Leigh Dyet, Nadeem Saeed, Jaroslav Stark, Elia Maalouf, Philip Duggan, Morenike Ajayi-Obe, Jo Hajnal, Joanna M Allsop, James Boardman, Mary A Rutherford, Frances Cowan, A. David Edwards