The oncology nursing society ons is the source for evidence based standards and guidelines editor dolores m esparza rn ms has contracted with ons to produce a set of policies and procedures based on ons evidence based standards and guidelines you can reference these policies as you develop and revise your own internal policies and procedures. Oncology policies and procedures licensing the oncology nursing society ons is your resource for industry leading evidence based standards and guidelines ons is offering the second edition of oncology policies and procedures in an electronic form to license or for bulk purchase to meet your organizational needs. Each year thousands of hospitals in the united states spend thousands of dollars in labor hours writing and revising policies and procedures for program accreditation oncology policies and procedures will help hospital administrators save time and resources by collecting a wide variety of current standards of practice for the clinical setting