To the Editor: Martínez et al. (Sept. 11 issue)¹ report that among patients who switched to efavirenz from a protease inhibitor, 29 (18.6 percent) subsequently discontinued efavirenz without virologic failure. This proportion is considerably in excess of ...

To the Editor: There is little doubt that per capita health care administrative costs are lower in Canada than in the United States, as Woolhandler et al. report (Aug. 21 issue),¹ even though the precise magnitude of the gap is open to debate, a point ...

To the Editor: In his article on sudden death in young athletes (Sept. 11 issue),¹ Maron includes a discussion of commotio cordis, in which he illustrates and describes a blow directly over the heart as an initiator of ventricular tachyarrhythmias. ...

To the Editor: Collard et al. describe the diagnosis and management of an aortopulmonary fistula in a patient with hemoptysis (Sept. 4 issue).¹ The diagnosis was delayed for seven weeks while the patient underwent a battery of laboratory tests, multiple ...

To the Editor: The Images in Clinical Medicine in the September 11 issue,¹ showing a contrast-enhanced electron-beam computed tomographic (EBCT) study of a heart with myocardial bridging of the left anterior descending coronary artery, contains an error. ...

To the Editor: In Case 29-2003 (Sept. 18 issue),¹ it was hypothesized that the Howell–Jolly bodies seen in the blood smear of a patient with babesiosis were actually intracellular parasites (Babesia microti). In a recent case of babesiosis in an asplenic ...

To the Editor: The identification and sequencing of a novel coronavirus¹ associated with the recently described severe acute respiratory syndrome (SARS)² have permitted the development of antibody-based and genome-based tests for the infection.³,⁴ ...

To the Editor: Using the viral sequences derived from clinical specimens collected in Hong Kong between February and April 2003 from 139 patients with the severe acute respiratory syndrome (SARS),¹ we attempted to estimate the timing of the last common ...

In The Act of Creation, which was written almost 40 years ago, Arthur Koestler argued convincingly that very few ideas in science ever prove to be truly original. When they are, the originators seem to be so far ahead of their time that their ...

Neither the title nor the subtitle of this book adequately reflects its true aim. Michael Bishop (Figure), who with Harold Varmus received the Nobel prize in 1989 for their discovery of oncogenes, is convinced that current difficulties in relations ...

Mary Roach certainly has an eye for the offbeat (and a stomach for the grisly). In Stiff: The Curious Lives of Human Cadavers, Roach, a columnist for Reader's Digest and the online news magazine Salon, surveys the uses to which corpses have been put over ...