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Mao Y, Wilkins K, Fortier L, Semenciw R, Urrutia M, Davies J, Wigle D.Mao Y, et al.Can J Public Health. 1990 Jul-Aug;81(4):312-6.Can J Public Health. 1990.PMID: 2207960
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Mao Y, Morrison H, Semenciw R, Robson D, Wigle D.Mao Y, et al.Can J Public Health. 1991 Jan-Feb;82(1):61-2.Can J Public Health. 1991.PMID: 2009489No abstract available.
Ugnat AM, Mao Y, Miller AB, Wigle DT.Ugnat AM, et al. Among authors: mao y.Can J Public Health. 1990 Sep-Oct;81(5):345-9.Can J Public Health. 1990.PMID: 2253150
Wigle DT, Mao Y, Semenciw R, McCann C, Davies JW.Wigle DT, et al. Among authors: mao y.Can J Public Health. 1990 Sep-Oct;81(5):376-81.Can J Public Health. 1990.PMID: 2253155
Arraiz GA, Wigle DT, Mao Y.Arraiz GA, et al. Among authors: mao y.Can J Public Health. 1990 Sep-Oct;81(5):396-7.Can J Public Health. 1990.PMID: 2253159No abstract available.