To the Editor: Aristotle proclaimed more than 2300 years ago that “nature abhors a vacuum.” This dictum seems to be confirmed by the study by Kyaw et al. (April 6 issue)¹ showing that the rate of antibiotic-resistant invasive pneumococcal infections ...

To the Editor: Johnston et al. (April 13 issue)¹ report that the treatment of exacerbations of asthma with the ketolide telithromycin (a semisynthetic derivative of erythromycin) is associated with a clinical benefit; the underlying mechanism of effect ...

To the Editor: In the discussion of biologic differences between male and female fertility (April 6 issue),¹ Federman states that women are fertile for only 12 hours each month. Although the egg is viable for 12 hours or less, the window of fertility in ...

To the Editor: In his discussion of why some physicians participate in executions (March 23 issue),¹ Gawande makes contradictory and thus unpersuasive statements. Although he believes that “some human beings . . . do such evil as to deserve to die,” he ...

To the Editor: The use of acronyms to name clinical trials is increasingly popular yet controversial.¹,² We evaluated whether the naming of a trial with an acronym is associated with a distinctive effect on research, measured as the citation rate after ...