Subjects: PREVENTION of infectious disease transmission; FRIENDSHIP; COVID-19ITALY
Record details
Subjects: HIV prevention; HIV infection epidemiology; HYPOTHESISITALY
Subjects: HIV prevention; AUTOMATIC data collection systems; CONDOMSITALY
Subjects: MEN who have sex with men; HIV infections; PSYCHOSOCIAL factorsITALY
Subjects: INFLUENZA prevention; INFLUENZA vaccines; ATTITUDE (Psychology)ITALY
Subjects: ANALYSIS of variance; H1N1 influenza; CONFIDENCE intervalsITALY