18:37

Pneumonia Severity Index (PSI)

27:33

Pneumonia: Treatment: Outpatients

13:56

Pneumonia: Procalcitonin

27:02

Pneumonia: Treatment: Hospital patients

20:03

Pulmonary Embolism : Wells criteria

32:38

Pulmonary Embolism : Treatment

10:46

Pneumonia : Symptoms

11:15

Pneumonia - causes, symptoms, diagnosis, treatment, pathology