@article{Rosero-Bixby2013,
author = {Rosero-Bixby, L. and Dow, W.H. and Rehkopf, D.H.},
title= {The Nicoya region of Costa Rica: A high longevity island for elderly males},
year = {2013},
doi = {10.1553/populationyearbook2013s109},
volume = {11},
pages = {109--136},
}