To the Editor: Hamrahian et al. (April 15 issue)¹ describe a technique for measuring free cortisol concentrations that is technically difficult, likely to be expensive, and not widely available. They do not correlate the measured serum free cortisol ...

To the Editor: Jain et al. (April 15 issue)¹ report growing restraint in the practice of transferring numerous embryos after in vitro fertilization. This reassuring news should not, however, distract attention from the fact that other assisted ...

To the Editor: One take-home message from the review article by Burstein et al. on ductal carcinoma in situ of the breast (April 1 issue)¹ is that all women who have undergone breast-conserving surgery should receive routine radiotherapy. This is the ...

To the Editor: Both the Sounding Board article by Osterholm and Norgan and the Perspective article by Thayer (April 29 issue)¹,² call for greatly expanded use of irradiation to prevent foodborne illness. The authors, two of whom receive funding from the ...

To the Editor: In December 1997, many children, and even some adults, in Japan who were watching the television cartoon program “Pocket Monster,” or “Pokemon,” had epileptic seizures.¹,² Because the program was very popular, this incident had a strong ...

The pharmaceutical industry claims that it can continue playing a key role in the development of new weapons against disease only if Americans pay prices for medicines that yield very high profits. It also claims that price controls would cause the stream ...

Each year the Trustees of Medicare report on the current status and projected condition of the Medicare trust funds for the next 75 years. Usually, such events are hardly newsworthy, but this year's report was different. Program outlays rose so ...

The rising cost of health care — and what to do about this problem — is perhaps our nation's most pressing health policy issue. The recent spike in private-insurance premiums has alarmed both employers and employees. More telling is the lack of clear ...

Pneumocystis Pneumonia Review Article, N Engl J Med 2004:350;2487-2498.. On page 2492, in Table 2, the dose for atovaquone should have read “two times daily,” rather than “three times daily,” as printed. The Web version of the article has been corrected.

Case 6-2004: A 35-Year-Old Woman with Extensive, Deep Burns from a Nightclub Fire Case Records of the Massachusetts General Hospital, N Engl J Med 2004:350;810-821.. On page 811, in Table 1, the headings of the last two columns should have read “nitric ...