Gatekeeper training for vendors to reduce pesticide self-poisoning in rural South Asia – a study protocol for a stepped-wedge cluster randomized controlled trial (BMJ Open, 2022)

(untitled) - Weerasinghe, M; Pearson, M; Turner, N; Metcalfe, C; Gunnell, D; Agampodi, S; Hawton, K; Agampodi, T; Miller, M; Jayamanne, S; Parker, S; Sumith, JA; et al.