@article{Machiyama2017, author = {Machiyama, K. and Casterline, J.B. and Mumah, J.N. and Huda, F.A. and Obare, F. and Odwe, G. and Kabiru, C.W. and Yeasmin, S. and Cleland, J.}, title= {Reasons for unmet need for family planning, with attention to the measurement of fertility preferences: Protocol for a multi-site cohort study}, year = {2017}, doi = {10.1186/s12978-016-0268-z}, volume = {14}, number = {23}, }