A physician assistant with no symptoms and a clear colonoscopy was three years from her next screening. A blood test found ...
Objective Chronic obstructive pulmonary disease (COPD) is a major cause of global illness and death, most commonly caused by cigarette smoke. The mechanisms of pathogenesis remain poorly understood, ...
bDepartment of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China The term peptic ulcer refers to acid peptic ...
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