Abstract
Stevens, RJ; Evans, J; Oke, J; Smart, B; Hobbs, FDR; Holloway, E; Horwood, J; Judd, M; Locock, L; McLellan, J; Perera, R
Stevens, RJ (reprint author), Univ Oxford, Nuffield Dept Primary Care Hlth Sci, Oxford, England.
CANADIAN MEDICAL ASSOCIATION JOURNAL, 2018; 190 (13): E389