Le, Boi Ngoc, and Chieu Hoa Chau. “RESEARCH ON CLINICAL CHARACTERISTICS, SUBCLINICAL FIGURES OF RHINOGENIC CONTACT POINT HEADACHE AT CAN THO ENT HOSPITAL IN 2021 -2023”. Cantho Journal of Medicine and Pharmacy, no. 62, July 2023, pp. 179-85, doi:10.58490/ctump.2023i62.1223.