TY - RPRT TI - Software programs for mapping and spatial analysis in epidemiology and public health. AU - Ramón Martínez-Piedra AU - Enrique Loyola-Elizondo AU - Manuel Vidaurre-Arenas AU - Patricia Nájera Aguilar PY - 2004 UR - https://pubmed.ncbi.nlm.nih.gov/16127821/ ID - 16127821 ER -