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Indigenous Mexican people developed and popularized the smoking of marijuana cigarettes, using the plant medicinally and as a intoxicant, after Spanish colonizers introduced it into the continent in the 15th and 16th centuries

Prevalence of Barretts esophagus in Asian countries: a systematic review and meta-analysis

No doubt these means of change act and react on each other: thus when certain muscles, and the crests of bone to which they are attached, become enlarged by 67 "On the Primitive Form of the Skull," translated in 'Anthropological Review,' Oct

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The spectrum of COPD includes Chronic bronchitis Emphysema Chronic bronchitis is defined as cough and sputum production for at least 3 consecutive months for 2 years