Search results for: E.J. Essien
Public Health > 2008 > 122 > 9 > 862-872
Public Health > 2008 > 122 > 4 > 397-403
Public Health > 2002 > 116 > 2 > 106-112
Occupational Health and Industrial Medicine > 1998 > 38 > 3 > 118
Public Health > 1997 > 111 > 4 > 205-209