j. Pennat. Med. Morphology of active sleep — quiet sleep transitions 24 (1996) 171-176 jn normai human term fetusesBehavioral states in the human fetus are usually defined in...
METHODS: We used logistic regression to contrast physically active and inactive smokers in a secondary data analysis of the Canadian Community Health Survey Cycle 1.1. RESULTS: Physically active smokers represented almost one quarter of the smoking population. Compared with physically inactive sm...