Tanprasert, Sanisa, Laddawan Prachvittayakarn, Ornanong Gialon, Pornpen Sunanta, and Piyapan Pinprayoon. 2022. “Investigation and Control of Neonatal Omphalitis Outbreak in Lampang Hospital”. Lampang Medical Journal 33 (2):79-89. https://he01.tci-thaijo.org/index.php/LMJ/article/view/259458.