“A cohort study of the effects of older adult care dependence upon household economic functioning, in Peru, Mexico and China,” by Maelenn M. Guerchet, Mariella Guerra, Yueqin Huang, Peter Lloyd-Sherlock, Ana Luisa Sosa, Richard Uwakwe, Isaac Acosta, Peter Ezeah, Sara Gallardo, Zhaorui Liu, Rosie Mayston, Veronica Montes de Oca, Hong Wang, and Martin J. Prince (PLoS ONE 13(4): e0195567. doi.org/10.1371/journal.pone.0195567, HTML, XML, and .pdf format, 19p.).
journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0195567