Pulmonology
Q&A
Is spiral (helical) computed tomography useful for diagnosing pulmonary embolism?
Mullins MD, Becker DM, Hagspiel KD, Philbrick JT. The role of spiral volumetric computed tomography in the diagnosis of pulmonary embolism. Arch...
Q&A
Echinacea for Upper Respiratory Infections
Barrett B, Vohman M, Calabrese C. Echinacea for upper respiratory infection. J Fam Pract 1999; 48:628-35.