【单选题】A healthy 30-year-old woman is referred for a life insurance physical History reveals that she has never smoked and vesicular breath sounds are heard at the periphery of the lung with auscultation. In...
【单选题】A 45 years old male car repairman, accompanied by his wife, stated that he suffered intermittent cough for 3 months, without phlegm. In the past 20 days, his cough intensified, phlegm with blood, no f...