Validation of the Bangla PHQ-4 in rural and urban community samples from Bangladesh. - Mozumder, Muhammad Kamruzzaman; Keya, Ummay Kulsum; Ahmed, Fayaza; Gazi, Imtiazuddin; Gop, Konica; Bhattacharjee, Pooja; Islam, Md. Akramul; Islam, Shayla (PLoS ONE, 2026)