TY - GEN AU - Sisterson,J M AU - Urie,M M AU - Koehler,A M AU - Goitein,M TI - Distal penetration of proton beams: the effects of air gaps between compensating bolus and patient SN - 0031-9155 PY - 1989///1030 KW - Air KW - Computer Simulation KW - Humans KW - Monte Carlo Method KW - Particle Accelerators KW - Protons KW - Radiation Dosage KW - Radiotherapy, High-Energy N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1088/0031-9155/34/9/016 ER -