Preventive Medicine
Preventive Medicine > 2012 > 54 > 6 > 415-421
Preventive Medicine > 2012 > 55 > 5 > 485-487
Preventive Medicine > 2013 > 57 > 1 > 3-11
Preventive Medicine > 2012 > 54 > 6 > 415-421
Preventive Medicine > 2012 > 55 > 5 > 485-487
Preventive Medicine > 2013 > 57 > 1 > 3-11