1. Beurteilung der Benzolund Phenolgefahrdung mit dem Phenoltest;Bardodej, Z.;Arbeitsmed. Sozialnmed. Arbeitshyg,1968
2. Hippuric acid phenol, and trichloroacetic acid levels in the urine of Japanese subjects with no known exposure to organic solvents;Ikeda, M.; Ohtsuji, H.;Brit. J. industr. Med,1969
3. Significance of urinary hippuric acid determination as an index of toluene exposure;and;Brit. J. industr. Med,1969
4. Creatinine;Kingsley, G.R.; Schaffert, R.R.,1953
5. The use of disposable hypodermic syringes for collection of mine atmosphere samples;Lang, H.W.; Freedman, R.W.;Amer. industr. HYg. Ass. J,1969