ABERETON, Pearl; DEDE, Siyeofori; WIHIOKA, Joy; OREH, Adaeze. Knowledge, Barriers and Enablers of Clients Utilizing Basic Obstetric Ultrasound Services in PHC Facilities in Rivers State, Nigeria. The Nigerian Health Journal, Nigeria, v. 26, n. 2, p. 730 – 738, 2026. DOI: 10.71637/tnhj.v26i2.1378. Disponível em: https://www.tnhjph.com/index.php/tnhj/article/view/1378. Acesso em: 23 jul. 2026.