COMPARISON OF GM (1,1) AND IMPROVED GM (1,1) MODELS FOR PREDICTION OF HUMAN IMMUNODEFICIENCY VIRUS AND ACQUIRED IMMUNE DEFICIENCY SYNDROME INCIDENCE IN PR CHINA. SEATROPH. 2021;52(6):733-741. Accessed April 17, 2026. https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/462