Public Health Reports
Public Health Reports > 2001 > 116 > 4 > 306-316
Public Health Reports > 2001 > 116 > 4 > 296-305
Public Health Reports > 2001 > 116 > 4 > 317-326
Public Health Reports > 2001 > 116 > 5 > 396-403
Public Health Reports > 2001 > 116 > 5 > 404-416
Public Health Reports > 2001 > 116 > 5 > 434-448