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1. Cigarettes, containing 5–20 mg. of atropine sulphate and made of tobacco with a low content of nicotine, were smoked. 2. The smoke was collected with a Cottrell filter and dissolved in chloroform. 3. The atropine was purified by partition chromatography and estimated spectrophotometrically. 4. When cigarettes, containing 0,2 g. of tobacco and 5–20 mg. of(More)
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