title: The Gordon Richards memorial lecture. Impact of physics on therapeutic and diagnostic radiology.
mesh_terms: D000059:Accidents; D003037:Cobalt Radioisotopes / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007953:Leukemia, Radiation-Induced / Q000209:etiology; D008452:Maximum Allowable Concentration; D009369:Neoplasms / Q000532:radiotherapy; D009864:Ontario; D010315:Particle Accelerators; D055585:Physical Phenomena; D010825:Physics; D011829:Radiation Dosage; D011856:Radiographic Image Enhancement; D011859:Radiography / Q000295:instrumentation; D011867:Radioisotope Teletherapy; D011878:Radiotherapy / Q000639:trends; D011882:Radiotherapy, High-Energy / Q000295:instrumentation; D012306:Risk; D014481:United States; D002583:Uterine Cervical Neoplasms / Q000532:radiotherapy
chemical_list: D003037:Cobalt Radioisotopes