Quitlines.
Lichtenstein
Edward
E
D003376:Counseling; D005381:Financing, Organized / Q000379:methods; D015277:Hotlines / Q000458:organization & administration*; D006801:Humans; D009538:Nicotine / Q000627:therapeutic use; D016540:Smoking Cessation / Q000379:methods*
D009538:Nicotine