Medical OncologyOncology NursingFamily PracticePractice Guidelines as TopicPhysician's Practice PatternsRadiation OncologyOncology Service, HospitalProfessional PracticeNeoplasmsEvidence-Based MedicineGeneral PracticeSocieties, MedicalTreatment OutcomePractice Management, MedicalGuideline AdherenceHealth Knowledge, Attitudes, PracticeQuestionnairesPrivate PracticeAttitude of Health PersonnelUnited StatesClinical Trials as TopicEvidence-Based Practice