by Adu-Bonsaffoh, K, Antwi, D.A, Obed, S.A, Gyan, B
Published in International journal of gynecology and obstetrics (01.10.2012)

by Adanu, R M K, Obed, S A
Published in Journal of obstetrics and gynaecology Canada (01.03.2003)

by Adanu, R.M.K, Obed, S.A
Published in International journal of gynecology and obstetrics (01.06.2001)

by Obed, S.A., Wilson, J.B., Elkins, T.E.
Published in International journal of gynecology and obstetrics (01.05.1994)

by Obed, S.A., Wilson, J.B., Elkins, T.E.
Published in International journal of gynecology and obstetrics (01.04.1994)