The effectiveness of a postal smoking cessation 'kit'.
D003367:Cotinine / Q000032:analysis; D005260:Female; D006266:Health Education / Q000592:standards*; D006801:Humans; D008297:Male; D012463:Saliva / Q000032:analysis; D000074606:Smoking Prevention; D011795:Surveys and Questionnaires; D013664:Teaching Materials
D003367:Cotinine