Patterns of Self-reported Behaviour Change Associated with Receiving Voluntary Counselling and Testing in a Longitudinal Study from Manicaland, Zimbabwe - Cremin, I; Nyamukapa, C; Sherr, L; Hallett, TB; Chawira, G; Cauchemez, S; Lopman, B; Garnett, GP; Gregson, S (AIDS AND BEHAVIOR, 2010)