Volume 26(3); July 1969 Articles Theory and practice of colour vision testing: A review Part 1 PMCID: PMC1008938 The health of the Navy: the changing pattern PMCID: PMC1008939 An investigation of lead absorption in an electric accumulator factory with the use of personal samplers PMCID: PMC1008940 Electric current flow through human skin at power frequency voltages PMCID: PMC1008941 Effects of power frequency voltages on amputated human limb PMCID: PMC1008942 Respiratory effects of chlorine gas PMCID: PMC1008943 Haemodilution as a cause of anaemia in coalworkers PMCID: PMC1008944 A simple method for the quantitative analysis of urinary delta-aminol evulinic acid to evaluate lead absorption PMCID: PMC1008945 Significance of urinary hippuric acid determination as an index of toluene exposure PMCID: PMC1008946 An introduction to the Current awareness section PMCID: PMC1008954 Book Reviews The Diseases of Occupation PMCID: PMC1008947 Presymptomatic Detection and Early Diagnosis PMCID: PMC1008948 The Training of Safety Officers PMCID: PMC1008949 Office Automation in Social Perspective PMCID: PMC1008950 Dangerous Properties of Industrial Materials PMCID: PMC1008951 Questionnaire Design and Attitude Measurement PMCID: PMC1008952 The Physiology and Medicine of Diving and Compressed Air Work PMCID: PMC1008953 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. Advertisements | ||