Volume 13(3); July 1956 Articles Sixty Years of Industrial Medicine in Great Britain PMCID: PMC1037687 Occupational Medicine as a Vocation PMCID: PMC1037688 The Relationship between Ventilatory Capacity and Simple Pneumoconiosis in Coalworkers: The Effect of Population Selection PMCID: PMC1037689 Factors Influencing the Radiological Progression Rate of Progressive Massive Fibrosis PMCID: PMC1037690 Pneumoconiosis in Central Indian Coal-mines PMCID: PMC1037691 A Study of Dust Toxicity Using a Quantitative Tissue Culture Technique PMCID: PMC1037692 A Quantitative Technique for Studying the Effect of Dust on Phagocytic Cells in vitro PMCID: PMC1037693 The Use of a Size Selector for Dust Sampling with the Thermal Precipitator PMCID: PMC1037694 The Use of the Pulheems System of Medical Classification in Civilian Practice PMCID: PMC1037695 Determination of Atmospheric Benzene Concentration by Displacement following Adsorption on Silica Gel PMCID: PMC1037696 Two Cases of Poisoning with Di-isopropylfluorophosphonate (D.F.P.) PMCID: PMC1037697 Arsine Poisoning PMCID: PMC1037698 Association of Industrial Medical Officers: Programme of 21St Anniversary Meeting PMCID: PMC1037699 Book Reviews Ageing in Industry PMCID: PMC1037701 Guiding Principles for the Organization of Occupational Medical Services in Places of Employment PMCID: PMC1037702 Psychotherapy and Personality Change PMCID: PMC1037703 Mental Hygiene in Public Health PMCID: PMC1037704 The Determination of Toxic Substances in Air PMCID: PMC1037705 Artificial Respiration with Special Emphasis on the Holger-Nielsen Method PMCID: PMC1037706 Miscellanea: The Prescription of Industrial Disease PMCID: PMC1037700 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||