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BMC Infectious Diseases > 2019 > 19 > 1 > 1-9
The Kaohsiung Journal of Medical Sciences > 2016 > 32 > 10 > 526-530
The Kaohsiung Journal of Medical Sciences > 2016 > 32 > 2 > 96-102
Drug and Alcohol Dependence > 2010 > 108 > 1-2 > 134-137
Journal of Urban Health > 2005 > 82 > 4 > iv101-iv112
European Journal of Epidemiology > 1999 > 15 > 8 > 699-704