Seasonal variations in stage of change among Quitline clients.
Delnevo
C N
CN
Foulds
J
J
Vorbach
U
U
Kazimir
E
E
D015277:Hotlines; D006801:Humans; D012621:Seasons; D012907:Smoking / Q000523:psychology; D016540:Smoking Cessation / Q000379:methods*