Estimation of the prevalence of depression using diagnostic instruments in the elderly population in India, 2000-2019: a systematic review protocol.
Priyamadhaba BeheraManju PilaniaVikas YadavMohan BairwaDeepti DabarSurama Manjari BeheraSubramani PoongothaiViswanathan MohanShiv Dutt GuptaPublished in: BMJ open (2020)
CRD42019138453.