Process evaluation in the field: global learnings from seven implementation research hypertension projects in low-and middle-income countries

F. Limbani,J. Goudge,R. Joshi,M. A. Maar,J. J. Miranda,B. Oldenburg,G. Parker,M. A. Pesantes,M. A. Riddell,A. Salam,K. Trieu,A. G. Thrift,J. Van Olmen,R. Vedanthan,R. Webster,K. Yeates and J. Webster. Process evaluation in the field: global learnings from seven implementation research hypertension projects in low-and middle-income countries. BMC Public Health. 2019;19(1):10.1186/s12889-019-7261-8.