Preventive Medicine
Preventive Medicine > 2001 > 33 > 3 > 155-161
Preventive Medicine > 2001 > 33 > 3 > 204-216
Preventive Medicine > 2001 > 33 > 3 > 175-178
Preventive Medicine > 2001 > 33 > 3 > 179-189
Preventive Medicine > 2001 > 33 > 3 > 141-151
Preventive Medicine > 2001 > 33 > 3 > 217-226
Preventive Medicine > 2001 > 33 > 3 > 190-203
Preventive Medicine > 2001 > 33 > 3 > 170-174
Preventive Medicine > 2001 > 33 > 3 > 162-169