title: Cigarette smoking, urinary acidity, and nicotine excretion under natural conditions.
abstract: For 40 males who smoked 20 cigarettes a day titratable acidity of the urine was significantly correlated with nicotine/cotinine excretion at several sample intervals, as was urinary pH, but not urinary acidity and daily cigarette consumption or serum COHB.
mesh_terms: D002263:Carboxyhemoglobin / Q000378:metabolism; D003367:Cotinine / Q000652:urine; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D009538:Nicotine / Q000652:urine*; D012907:Smoking
chemical_list: D009538:Nicotine; D002263:Carboxyhemoglobin; D003367:Cotinine