Introduction＆R．LEE CLARK，JR 3
Bertner-Foundation Lecture 5
Radiation Neoplasia and Endocrine Systems＆JACOB FURTH 7
Fundamental Radiobiology 27
Primary Physical and Chemical Processes in Radiobiology＆P．HOWARD-FLANDERS 29
The Influence of Oxygen upon the Radiation Damage of Lysozyme＆R．J．SHALKE and T．L．GILLESPIE 41
The Effect of Radiations of Different Ion Densities on the Germ Cells of Drosophila Virilis＆MARY L．ALEXANDER 51
The Pathological Effects of Radiation Injury＆SIMON KOLETSKY 71
Effect of Irradiation on Neoplastic Calls (Radiosensitivity)＆T．C．EVANS 90
The Relative Biological Effectiveness of 22 NVP X-Rays，Cobalt-60，Gamma Rays and 200 KVP X-Rays Determined from the LD50 in Mice＆W．K．SINCLAIR and L．H．BLACKWELL 103
Irradiation of Cells in Tissue Culture＆C．M．POMERAT，L．C．LOGIE，and Y．H．NAKANISHI 121
Radiological Applications 147
The Use of the Ferrous Sulfate Dosimeter for X-Ray and Gamma Ray Beams＆R．J．SHALEK and W．K．SINCLAIR 149
Integral Dose and Source Size in Cobalt-60 Teletherapy＆W．K．SINCLAIR and W．V．BREAZEALE 163
Dosimetry of Interstitial Needles of Radium，Cobalt-60 and Cesium-137＆W．K．SINCLAIR，J．B．BLIZARD，B．J．COMSTOCK，and G．H．FLETCHER 175
Radiation Effects on the Hematopoietic System 191
Hematological Effects of Irradiation＆LEON O．JACOBSON 193
Protection by Bone Marrow Against the Effect of Urethan＆SADAHISA KAWAMOTO 203
Consequences of Bone Marrow Induced Radiation Recovery＆JOHN J．TRENTIN 211
The Potentialities of Tissue Cultured Cells of Hemic Origin in X-Irradiated Mice＆DANIEL BILLEN 223
Induction of Neoplasia by Ultraviolet Light 239
Studies on the Interrelations of RNA，DNA and Protein Syntheses in the Process of Ultraviolet-Induced Mutagenesis＆FELIX L．HAAS and CHARLES O．DOUDNEY 241
Studies of the Mechanism of Action of Ultraviolet Irradiation in Initiating Tumors in the Lung Tissue of Mice＆STANFIELD ROGERS 257
Factors Affecting the Induction of Cancer by Ultraviolet Light＆A．CLARK GRIFFIN，M．A．O＇NEAL，and R．HAKIM 276
Induction of Neoplasia by Ionizing Radiations 287
Radiation-Induced Leukemia in Mice：A Progress Report＆HENRY S．KAPLAN 289
Relation of Radiation Carcinogenesis to Carcinogenesis Induced by Other Means＆ARTHUR KIRSCHBAUM 303
Induction of Leukemia in Man by Radiation＆WILLIAM CURRY MOLONEY 310
Induction of Tumors with Internally Administered Isotopes＆MIRIAM P．FINKEL 322
Radiation-Induced Neoplasms in Man＆C．LENORE SIMPSON 336
Radiation Biology and Cancer 347
Mutagenesis and Carcinogenesis＆WALTER J．BURDETTE 349
Radiation Studies on Lysogeny and Tumor Viruses＆HARRY RUBIN and HOWARD M．TEMIN 359
The Role of Viruses in X-Ray Induced Leukemia＆LEON DMOCHOWSKI，CLIFFORD E．GREY，and LUDWIK GROSS 382
The Use of X-Irradiation and/or Cortisone to Condition Hosts for Grafting＆HELENE WALLACE TOOLAN 400
Carcinogenesis of Chronic Gamma Irradiation＆JOANNE HOLLCROFT 409
Radiation and Human Genetics＆W．J．SCHULL 423
Medical Applications of Radiation 441
Studies of the Anemias Associated with Chronic Lymphocytic Leukemia and Hodgkin＇s Disease using Fe59 and Cr51．＆DANIEL E．BERGSAGEL and P．PIKOULI GIANNOPOULOS 443
The Intracavitary Use of Radioactive Colloidal Gold＆CARLO A．CUCCIA，WAYNE SCHULTZ，and RAYMOND G．ROSE 456
Preliminary Follow-up Study of Patients Exposed to Whole-Body X-Radiation＆LOWELL S．MILLER and GILBERT H．FLETCHER 472
Review of Experienceof 1500 Cases Treated with Cobalt-60 Gamma Rays and 22 MEV Betatron＆GILBERT H．FLETCHER 477
Index 487