front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |28 |29 |30 |31 |review

In our study, the number of cigarettes smoked per day and urine cotinine concentration were not closely correlated. Hence, one should not use urine cotinine concentration to predict how much a woman smokes, or vise versa.