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- [26] ACTIVITY OF ALKALINE PHOSPHATASE AND PI IN SALIVA OF SMOKERS AND NONSMOKERS ACTA CIENTIFICA VENEZOLANA, 1971, 22 : R55 - &
- [30] A COMPARISON OF PLASMA THIOCYANATE LEVELS IN ACTIVE SMOKERS, PASSIVE SMOKERS AND NONSMOKERS IN 206 RANDOMLY SELECTED OFFICE WORKERS EUROPEAN JOURNAL OF RESPIRATORY DISEASES, 1986, 69 : A138 - A138