Nunchai J, Kaewya P, Ituporn N, Manowan T. Prevalence and Factors Related to COVID-19 Infection Among Pregnant Women at Mae Ai Hospital Chiang Mai Province. Nursing Journal CMU [internet]. 2023 Dec. 28 [cited 2026 Oct. 15];50(4):185-97. available from: https://he02.tci-thaijo.org/index.php/cmunursing/article/view/265358