Preventive Medicine
Preventive Medicine > 2008 > 47 > Supplement 1 > S15-S19
Preventive Medicine > 2008 > 47 > Supplement 1 > S4-S10
Preventive Medicine > 2008 > 47 > 3 > 324-328
Preventive Medicine > 2008 > 47 > 5 > 504-507
Preventive Medicine > 2008 > 47 > 5 > 514-518