Yathu Yathu ("For us, by us"): Design of a cluster-randomised trial of the impact of community-based, peer-led comprehensive sexual and reproductive health services for adolescents and young people aged 15 to 24 in Lusaka, Zambia. - Hensen, B.; Phiri, M.; Schaap, A.; Floyd, S.; Simuyaba, M.; Mwenge, L.; Sigande, L.; Belemu, S.; Shanaube, K.; Simwinga, M.; Fidler, S.; Hayes, R.; et al. (Contemporary Clinical Trials, 2021)