New approaches to the measurement of vital rates in developing countries - Madigan, Francis C.; Herrin, Alejandro N. (Chapel Hill, N.C. International Program of Laboratories for Population Statistics, Dept. of Biostatistics, School of Public Health, Carolina Population Center, University of North Carolina at Chapel Hill, 1977)
"Reprinted here with certain modifications and alterations ... introduced by the authors, Francis C. Madigan and Alejandro N. Herrin."
"Reprinted with permission of the Interdisciplinary Communications Program (ICP), Smithsonian Institution, who issued the original report as their Occasional Monograph series, no. 3."
Keywords: Dual record systems; Vital statistics; Philippines -- Statistics, Vital