Clarification of the AAPM Task Group 21 protocol.
Schulz RJ, Almond PR, Kutcher G, Loevinger R, Nath R, Rogers DW, Suntharalingam N, Wright KA, Kahn FM.
Schulz RJ, et al. Among authors: rogers dw.
Med Phys. 1986 Sep-Oct;13(5):755-9. doi: 10.1118/1.595843.
Med Phys. 1986.
PMID: 3097466