Molek, Ruechuta, Tanyatorn Thanapapothiwat, Kanda Kongchaiphome, Marisa Sombutboon, and Benjamas Preechakoon. 2020. “Is Morphine for Euthanasia?”. The Journal of Chulabhorn Royal Academy 2 (1). Bangkok, Thailand:14-24. https://he02.tci-thaijo.org/index.php/jcra/article/view/224953.