Search results for: X. Yang
Public Health > 2015 > 129 > 9 > 1172-1178
Public Health > 2013 > 127 > 10 > 946-951
Public Health > 2011 > 125 > 2 > 106-113
Public Health > 2009 > 123 > 11 > 750-755
Public Health > 2009 > 123 > 10 > 694-698