Prathapan, S., G. Lindmark, P. Fonseka, R. Prathapan, and A. Lokubalasooriya. “Quality of Field Antenatal Clinics Services Checklist: A Valid and Reliable Tool for Quality Improvement”. Asian Journal of Pharmacy, Nursing and Medical Sciences, vol. 1, no. 1, May 2013, https://ajouronline.com/index.php/AJPNMS/article/view/171.