@article{Bertrand1999,
author = {Bertrand, J. and de Salazar, S.G. and Mazariegos, L. and Salanic, V. and Rice, J. and Sow, C.K.},
title= {Promoting birthspacing among the Maya-Quiche of Guatemala},
year = {1999},
doi = {10.2307/2991879},
journal = {International Family Planning Perspectives},
volume = {25},
number = {4},
pages = {160--167},
}