Smoking habits and the leukocyte count.
D000328:Adult; D000367:Age Factors; D000368:Aged; D044466:Asian People; D044383:Black People; D001991:Bronchitis / Q000150:complications; D002140:California; D002908:Chronic Disease; D005260:Female; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D012737:Sex Factors; D012907:Smoking; D013997:Time Factors; D001741:Black or African American
D006454:Hemoglobins