Prevalence of smoking and frequency of visits to primary health care clinics.
Al-Qahtani
Dhafer A
DA
Department of Primary Care and Emergency Medicine, Northern Area Armed Forces Hospital, PO Box 10018, Hafr Al-Batin 31991, Kingdom of Saudi Arabia. hateemco@hotmail.com
Abdalla
Osman M
OM
Imtiaz
Mohammed L
ML
D006268:Health Facilities; D006801:Humans; D009819:Office Visits / Q000706:statistics & numerical data*; D015995:Prevalence; D011320:Primary Health Care; D012529:Saudi Arabia / Q000453:epidemiology; D012907:Smoking / Q000453:epidemiology*; D011795:Surveys and Questionnaires