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B. Umar I, Y. Dambele M, Jamma M. Placental thickness in normal singleton pregnancies: correlation with gestational age and variation by implantation site in Kano, Nigeria . Kanem J Med Sci [Internet]. 2026 Jun. 30 [cited 2026 Aug. 29];20(1):55-62. Available from: https://www.ajol.info/index.php/kjms/article/view/328638