Development and preliminary inter-rater reliability of the new PROOF tool to measure fidelity of problem-solving therapy for depression delivered by non-specialists in a low-resource African setting - Lily Cooke; Tarisai Bere; Amelia Stanton; Walter Mangezi; Steven A. Safren; Tsitsi Mawere; Lena Skovgaard Andersen; Christina Psaros; Samantha M McKetchnie; Meghana Vagwala; Kia-Chong Chua; Conall O’Cleirigh; et al. (Cambridge Prisms: Global Mental Health)