APA

Abonyi O. E., Eze C. U. & Onwuzu S. W. I. (20180521). Sonographic correlation of foetal neck circumference and area with gestational age among pregnant women in Port Harcourt, Nigeria. : Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology.

Chicago

Abonyi Obinna Everistus, Eze Charles Ugwoke and Onwuzu Sobechukwu W I. 20180521. Sonographic correlation of foetal neck circumference and area with gestational age among pregnant women in Port Harcourt, Nigeria. : Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology.

Harvard

Abonyi O. E., Eze C. U. and Onwuzu S. W. I. (20180521). Sonographic correlation of foetal neck circumference and area with gestational age among pregnant women in Port Harcourt, Nigeria. : Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology.

MLA

Abonyi Obinna Everistus, Eze Charles Ugwoke and Onwuzu Sobechukwu W I. Sonographic correlation of foetal neck circumference and area with gestational age among pregnant women in Port Harcourt, Nigeria. : Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology. 20180521.