['24', '25', 'no', 'he', 'has', 'an', 'extensive', 'four', '@', 'mn', 'discussion', 'of', 'measurements', 'of', 'cotinine', 'or', 'nicotine', 'in', 'public', 'places.', 'A.', 'I', 'see', 'where', "you're", 'referring', 'to.', "That's", 'published', 'in', 'January,', '1990,', 'meaning', 'that', 'he', 'wrote', 'this', 'in', '1989', 'or', 'five', 'years', 'ago.', 'I', 'see', 'that', 'he', 'did', 'write', 'that.', 'I', 'know', 'that', 'he', "doesn't", 'agree', 'with', 'that', 'today.', 'Q.', 'Do', 'you', 'know', 'that', "he's", 'also', 'submitted', 'comments', 'to', 'the', 'Environmental', 'Protection', 'Agency', 'with', 'the', 'same', 'views,', 'in', 'other', 'words,', 'that', 'there', 'is', 'no', 'reliable', 'biomedical', 'marker,', 'biomarker', 'for', 'exposure', 'to', 'tobacco', 'smoke?', 'A.', 'I', 'don’t', 'know', 'what', 'he', 'told', 'the', 'tobacco', '-', 'I', 'mean,', 'the', 'Environmental', 'Protection', 'Agency.', 'I', 'know', 'what', 'he', 'told', 'me,', 'and', "that's", 'all', 'I', 'can', 'testify', 'about.', 'Q.', 'Doctor,', 'you', 'mentioned', 'your', 'opinion', 'that', 'tobacco', 'smoke', 'may', 'be', 'an', 'aggravating', 'factor', 'to', 'people', 'with', 'chronic', 'obstructive', 'pulmonary', 'disease?', 'A.', 'Yes,', 'I', 'did.', 'Q.', 'There', 'are', 'a', 'number', 'of', 'factors', 'and', 'exposures', 'which', 'can', 'be', 'aggravating', 'exposures', 'to', 'people', 'with', 'chronic', 'obstructive', 'pulmonary', 'disease,', "isn't", 'that', 'true?', 'A.', 'That', 'is', 'correct.', 'KLEIN,', 'BURY', '&', 'ASSOCIATES,', 'INC.', '98', 'OLLG91.Z9']