Tam, Nguyen Ngoc, Nguyen Phuong Linh, và Nguyen Trung Anh. 2021. “Associciated Factors of Constipation Among Parkinson Older Patients”. Tạp Chí Nghiên cứu Y học 141 (5):75-80. https://doi.org/10.52852/tcncyh.v141i5.188.