Preventive Medicine
Preventive Medicine > 2007 > 45 > 5 > 380-385
Preventive Medicine > 2012 > 54 > 6 > 434-439
Preventive Medicine > 2012 > 55 > 5 > 497-499
Preventive Medicine > 2007 > 45 > 5 > 380-385
Preventive Medicine > 2012 > 54 > 6 > 434-439
Preventive Medicine > 2012 > 55 > 5 > 497-499