Impact and Cost-effectiveness of Regular Self-digital Anorectal Examination on Syphilis Among Gay, Bisexual, and Other Men Who Have Sex With Men: A Mathematical Modeling Study. - Lai H; Fairley CK; Li R; Chen MY; Chow EPF; Donovan B; Callander D; Guy R; Tran J; Aung ET; Shen M; Zhang L (The Journal of infectious diseases, 2025)