by Ekanem, A.D., Udoma, E.J., Utsalo, S.J.
Published in International journal of gynecology and obstetrics (01.02.2006)

by A. I. ESHIET, E. J. UDOMA, A.D. EKANEM, A. DADA
Published in Nigerian journal of physiological sciences (31.12.2003)

by Etuk, S.J, Ekanem, A.D
Published in International journal of gynecology and obstetrics (01.04.2001)

by Ekanem, A.D., Etuk, S.J., Samson-Akpan, U.
Published in International journal of gynecology and obstetrics (01.11.1996)