Pongkulkiat, Patnarin, Orathai Wantha, Ajanee Mahakkanukrauh, Siraphop Suwannaroj, and Chingching Foocharoen. 2022. “Management pitfalls and prevalence of lost to follow-up due to unpredicted death in systemic sclerosis”. Asia-Pacific Journal of Science and Technology 27 (05):APST-27. https://doi.org/10.14456/apst.2022.71.