Authors: Permaul-Woods, JA Carroll, JC Reid, AJ Woodward, CA Ryan, G Domb, S Arbitman, S Fallis, B Kilthei, J

Citation: Ja. Permaul-woods et al., Going the distance: the influence of practice location on the Ontario Maternal Serum Screening Program, CAN MED A J, 161(4), 1999, pp. 381-385