To the Editor: According to the findings of Talpaz et al. (June 15 issue),¹ the efficacy and safety profile of dasatinib therapy in patients with Philadelphia chromosome–positive leukemias and resistance to or intolerance of imatinib seem promising. ...

To the Editor: In the article by Dave et al. (June 8 issue)¹ concerning the molecular diagnosis of Burkitt's lymphoma, almost half the patients with Burkitt's lymphoma were children. The data in the companion article by Hummel et al.² were not stratified ...

To the Editor: The report by Rumbold et al. on the Australian Collaborative Trial of Supplements (ACTS) and the accompanying editorial by Jeyabalan and Caritis (April 27 issue)¹,² overlooked a key reason for the lack of effect of vitamin C on the ...

To the Editor: Missing from Katon's review of panic disorder (June 1 issue)¹ is the frequent correlation of symptoms with acute respiratory alkalosis resulting from hyperventilation. Table 1 of the article, showing criteria for the diagnosis of panic ...

To the Editor: The article by Stevens et al. (June 8 issue)¹ on the assessment of kidney function is both helpful and comprehensive. Chronic kidney disease, which poses a public health threat of epidemic proportions, is largely underdiagnosed and often ...

To the Editor: Copelan (April 27 issue)¹ provides a comprehensive review of hematopoietic stem-cell transplantation, including complications after transplantation. However, the review article does not describe a common complication that causes ...

To the Editor: A 26-year-old woman had had abdominal pain since the beginning of her pregnancy. Endoscopy of the esophagus, stomach, and duodenum and abdominal ultrasonography showed only gastroesophageal reflux. Two months later, physical examination ...