INDEX 



Attached-X method, 145 

 Audiometer, 49 



Action of radiation on viruses and 



bacteria, 155 

 Activated water, 92 

 Adsorption theory of narcotic 



action, 15 

 Aim of radiotherapy in malignant 



disease, 166 

 Alpha rays, 116 



— rays, effects of, 115 

 American and British values of 



dose distribution, 228 

 /'-Aminobenzoic acid, antisulphon- 



amide activity of, 14 

 Amplifier, resolving power of, 34 

 Amplifiers, biological, 36 

 Amplifying stethoscope, 50 

 Analogy between insect cuticle and 



cell membrane, 30 

 Analysis of radiation effects in 



human carcinomata, 162 

 Analysis. X-ray diffraction, 19 

 Analytical approach to the study of 



drug action, 14 

 Animal embryonic tissue and tumor 



tissue, effects of different radi- 

 ations on, 132 

 Antisulphonamide activity of 



/'-aminobenzoic acid, 14 

 Apical phonocardiogram, 44 



— phonocardiogram of rheumatic 



mitral endocarditis, 45 

 Applications of electronics in medi- 

 cine, survey of the, 34 



— of physics in medicine, some, 1 

 Artificial ear, 50 



— tanning and hardening of insect 



cuticle, 26 

 Ascorbic acid, effect of X-rays on 

 blood concentration, 213 



Background theory of radiobiology, 



84 

 Backscatter, 250 

 Bacteria and viruses, action of 



radiations on, 155 

 Bacteria, inhibition of division of, 



161 

 Bacteria, lethal mutation in, 160 

 Bacteriophage S-13, inactivation of, 



158 

 Basal-celled carcinoma, reaction 



chart of, 167 

 Beam directors, 219, 226 

 — , half -value layer of, 179 

 — , quality of the, 179, 205 

 Beta rays, 116 



— rays, effects of, 115 

 Betatron and cyclotron, 55 

 Bibliography. See References. 

 Biological amplifiers, 36 



— effect and ionization, 87 



— effects and volume dose, 210 



— effects of penetrating radiations, 



83 

 ■ — effects of radiation on normal 

 tissue, 103 



— effects of X-rays, neutrons and 



other ionizing radiations. 114 

 ■ — indicators, 92 



— response and physical dose. 87 



— response to a variety of radia- 



tion doses, 89 



— unit, estimate of size, 126 



— units, ion density and inactiva- 



tion of elementary, 123 



283 



