Index 



291 



Radium therapy, technical methods 

 in, 234 



— therapy, therapeutic aims and 



methods, 237 



Radon technique, 237 



Reaction chart of basal-celled car- 

 cinoma, 167 



— chart of epithelioma, 168, 169, 



171 



Realizing a desired dose distribu- 

 tion, 226 



Receptor theory, 14 



Reconciliation of rival theories, 16 



Recording of heart sounds, 51 



Redefinition of the rontgen and the 

 extrapolation chamber, 187 



References. 32, 57, 73, 82. 136, 153, 

 161, 174, 192, 214, 232, 281 



Regeneration, inhibitory effect of 

 radiations on, 101 



Relation of dominant lethals to dose 

 of X-ray, 143 



— of volume dose to field area for 



irradiation of the pelvis, 201 

 Relative efficiencies of ionizing 

 radiations, 127 



— efficiency of ionizing radiations 



for the inactivation of viruses, 

 124 



Resolving power of amplifier, 34 



Resting cells, 164 



Rival theories, reconciliation of, 16 



Rotation, distribution of brain dam- 

 age from, 79 



— of the patient, 222 



Rontgen and the extrapolation 

 chamber, redefinition of, 187 



— cubic centimeter, 194 



— unit of X-ray dose, 180 

 Rontgens, equivalent, 191 



Skull and brain movement in in- 

 juries, 77, 78 



Sensitizing action of fat solvents 

 on insect cuticle, mechanism of, 

 28, 29 



Separation of ion clusters, 120 



Serum electrodes, 51 



Shear strains caused by rotation, 



80 

 Single field distribution, 219 

 Skin erythema dose, determination 



of the, 88 



— reaction alteration in high-volt- 



age therapy, 255 



— reactions to neutron radiation, 



134 



— . response to radiations, 101 



Sound, 49 



Special problems of heat measure- 

 ment, 65 



Sphygmogram, jugular, 46 



Square wave stimulator, 38 



Stability of chromosomes and 

 genes, 140 



Sterilizing effects of X-rays, 95 



Stethoscope, amplifying, 50 



Stimulators, chronaxie meters and 

 electronic, 37 



String galvanometer, 38 



Structural changes in chromosomes 

 caused by radiation, 126, 148 



Structure of insect cuticle, 24 



Sulphonamide, 14 



Summation of dose distribution, 224 



Surface activity of drugs and nar- 

 cotic activity, 15 



Survey of the applications of elec- 

 tronics in medicine, 34 



Sympathetic denervation, evalua- 

 tion of, 54 



Synchronizing the electrocardio- 

 gram, 51 



Tanning action of quinone, 26 



— and hardening of insect cuticle, 



artificial. 26 

 — , effect of permeability on, 25 

 Technical methods in radium 



therapy, 234 



— methods in X-ray therapy, 216 

 Technique and volume dose, 209 

 Test material, insect cuticle as, 21 



