Article · Journal · 1998
Obinna Onwujekwe, EN Shu, Douglas Nwagbo, C.O. Akpala, Peter Onyedikachi Okonkwo
Tropical Medicine & International Health
as printed: O. E. Onwujekwe
as printed: E. N. Shu
as printed: D. Nwagbo
as printed: C. O. Akpala
as printed: P. O. Okonkwo