Chanarat, P., แซ่ตั้ง บ., Chaiyarasamee, S. and Chanarat, N. (2015) “Zinc Protoporphyrin ในหญิงมีครรภ์”, Journal of Associated Medical Sciences, 24(1), p. 47. available at: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60496 (accessed: 12 September 2026).