J Obstet Gynaecol Can. 2010 Apr;32(4):363-77.
Elective single embryo transfer following in vitro fertilization.
(elecitve_single_embryo_Transfer_following_inVitroFertilization_2010_guideline_보조생식술.pdf )
Min JK, Hughes E, Young D, Gysler M, Hemmings R, Cheung AP, Goodrow GJ, Senikas V, Wong BC, Sierra S, Carranza-Mamane B, Case A, Dwyer C, Graham J, Havelock J, Lee F, Liu K, Vause T; Joint Society of Obstetricians and Gynaecologists of Canada-Canadian Fertility and Andrology Society Clinical Practice Guidelines Committee.
Source
Ottawa ON.
http://sogc.org/wp-content/uploads/2013/01/gui241CPG1004E.pdf