00388nam a22001457a 4500020001800000082001700018100002300035245006600058250001200124260003900136300001400175654001300189654001700202700002300219  a9781496386793  a615.842bHAL  aHalperin, Edward C  aPerez & Brady's principles and practice of radiation oncology  a7th ed.  aPhiladelphiabWolters Kluwerc2019  a1-2318 p.  aOncology  aRadiotherapy  aHalperin, Edward C