Singhol, M., Asdornwised, U. , Wongkongkam, K. and Kasemsarn, C. 2024. The Effects of a Telehealth Program on International Normalized Ratio Levels in Patients Undergoing Valvular Heart Surgery. Journal of Thailand Nursing and Midwifery Council . 39, 03 (Aug. 2024), 422–438. DOI:https://doi.org/10.60099/jtnmc.v39i03.268805.