Ask-Advise-Connect 1 Counseling 1 Delivery of Health Care 1 Ethnic Groups 1 Humans 1 Implementation 1 Minority Groups 1 Phone counseling Quitline 1 Smoking 1 Smoking Cessation 1 Smoking cessation 1 Treatment engagement 1 adult 1 article 1 comparative effectiveness 1 controlled study 1 counseling 1 drug safety 1 ethnic group 1 female 1 health care delivery 1 health care system 1 human 1 licensed practical nurse 1 lowest income group 1 major clinical study 1 male 1 minority group 1 patient referral 1