Volume 34(2); May 1977 Radiological assessment of small pneumoconiotic opacities. PMCID: PMC1008186 Energy dispersive x-ray analysis in the study of pneumoconiosis. PMCID: PMC1008187 Cancers of the lung and nasal sinuses in nickel workers: a reassessment of the period of risk. PMCID: PMC1008188 Application of blood cadmium analysis to industry using an atomic fluorescence method. PMCID: PMC1008189 The effect of zinc and pH on the behaviour of delta-aminolevulinic acid dehydratase activity in baboons exposed to lead. PMCID: PMC1008190 Occupational exposure to manganese. PMCID: PMC1008191 Antagonistic activity of poly (4-vinylpyridine-N-oxide) to the inhibition of viral interferon induction by asbestos fibres. PMCID: PMC1008192 Acceptable levels for the breathing resistance of respiratory apparatus: results for men over the age of 45. PMCID: PMC1008193 Effects of fluorocarbon propellants on respiratory flow and ECG. PMCID: PMC1008194 Efficiency and daily work effort in sugar cane cutters. PMCID: PMC1008195 Screening for liver disease in vinyl chloride workers. PMCID: PMC1008196 The effect of twelve-hour shift working on absence attributed to sickness. PMCID: PMC1008197 Book Reviews Persons at High Risk of Cancer: An Approach to Cancer Etiology and Control PMCID: PMC1008198 Shiftwork: Economic Advantages and Social Costs PMCID: PMC1008199 Toxicology of Pesticides PMCID: PMC1008200 Travel Medicine: A Handbook for Practitioners PMCID: PMC1008201 An Introduction to Epidemiology PMCID: PMC1008202 Methods Used in the USSR for Establishing Biologically Safe Levels of Toxic Substances PMCID: PMC1008203 Chemicals in Food and Environment. British Medical Bulletin, 1975, Vol. 31, No. 3 PMCID: PMC1008204 Occupational Medicine: Principles a Practical Applications PMCID: PMC1008205 Air Pollution and the Lung: Proceedings of the Twentieth Annual 'OHOLO' Biological Conference, Ma'alot, Israel, 16-19 March 1975 PMCID: PMC1008206 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||