Two Web-Based and Theory-Based Interventions With and Without Brief Motivational Interviewing in the Promotion of Human Papillomavirus Vaccination Among Chinese Men Who Have Sex With Men: Randomized Controlled Trial.
Johnson Zixin WangJoseph Tak Fai LauTsun Kwan Mary IpYebo YuFrancois FongYuan FangPhoenix Kit-Han MoPublished in: Journal of medical Internet research (2021)
ClinicalTrials.gov NCT03286907; https://clinicaltrials.gov/ct2/show/NCT03286907.