@article{Tsui2021, author = {Tsui, A. and Cardona, C. and Srivatsan, V. and OlaOlorun, F. and Omoluabi, E. and Akilimali, P. and Gichangi, P. and Thiongo, M. and PMA. Agile Team and Radloff, S. and Anglewicz, P.}, title= {Is client reporting on contraceptive use always accurate? Measuring consistency and change with a multi-country study}, year = {2021}, doi = {10.1111/sifp.12172}, volume = {52}, number = {3}, pages = {361--382}, }