You can find digital versions and download options at the following resources:
: Offers a direct link to the book's record and a PDF access option through the UTN Digital Library . Download 901 Medicina Del Dolor Bolsillo pdf
: While not the specific Urman book, the Manual de Bolsillo de Manejo del Dolor ALGIA is a highly relevant alternative for pain management practitioners. You can find digital versions and download options
The book you are looking for, (Pocket Pain Medicine), was written by Richard D. Urman and Nalini Vadivelu and published by Lippincott Williams & Wilkins in 2012. (Pocket Pain Medicine)