FORTIFICATION of food with vitamin D has dramatically reduced the incidence of rickets. In the United States, milk has been fortified with vitamin D since the 1930s. According to federal regulations, fortified milk should contain 400 IU of vitamin D per ...

RICKETS plagued the children who lived in the industrial cities of North America and Europe from the 17th through the 19th century. At the beginning of this century, over 85 percent of the children living in these areas had rickets.¹ Although cod-liver ...

MANY heart-transplant recipients become infected with cytomegalovirus (CMV) with substantial short-term complications,¹ including both systemic and focal CMV illness in the first months after transplantation as well as increased susceptibility to other ...

DURING the past three decades the life expectancy of patients with cystic fibrosis has improved dramatically, but the majority still die in early adulthood from respiratory failure associated with pulmonary hypertension and cor pulmonale.¹ In patients ...

THERE have been approximately a dozen reported cases of endocarditis due to Chlamydia psittaci, the etiologic agent of psittacosis (ornithosis, or parrot fever). It is not known whether this number reflects a truly low incidence of endocarditis associated ...

HYPERCALCEMIA is a relatively frequent medical problem. Among its many causes (Table 1), by far the most common are cancer and primary hyperparathyroidism.⁴ Hypercalcemia requiring urgent attention is most often caused by the former, but it can be caused ...

Presentation of Case

A 52-year-old man was admitted to the hospital because of asthma, peripheral neuropathy, and eosinophilia.

There was a long history of recurrent sinusitis and nasal polyposis. Three years before entry bronchial asthma developed and ...

Adequate vitamin D stores are essential for normal skeletal mineralization and growth. The vitamin is now known to be a prohormone that undergoes successive hydroxylation in the liver and kidney. The first hydroxylation yields 25-hydroxyvitamin D (25(OH)D)...

The blood culture is the single most important laboratory test in the diagnosis of infective endocarditis. Bacteria are discharged from endocardial vegetations and cleared from the blood at a relatively constant rate,¹ which explains the continuous ...

Is it possible to specialize in maternalfetal medicine without being willing to perform abortions? Or, to put it another way, is there such a thing as a prolife perinatologist?

There are essentially two ethical positions with regard to the moral status of ...

To the Editor: The Studies of Left Ventricular Dysfunction (SOLVD) investigators (Aug. 1 issue)¹ describe prognostic benefit from angiotensin-converting—enzyme inhibition in heart failure, confined largely to patients with severe compromise of left ...

To the Editor: In their article "Adenosine and Supraventricular Tachycardia," Camm and Garratt (Dec. 5 issue)¹ addressed the merits of adenosine or ATP as compared with verapamil in the termination of supraventricular tachycardia. They did not consider ...

To the Editor: In the article by Sachs et al. about home monitoring of uterine activity (Nov. 7 issue),¹ the authors make numerous errors in their "analysis" of our study.² The role of home uterine-activity monitoring is to provide objective data about ...

To the Editor: In recent years there has been a steady increase in the study of antiviral agents for the treatment of common viral infections. Dunkle et al. (Nov. 28 issue)¹ reported on a study involving the use of acyclovir in the treatment of the ...

To the Editor: Toxoplasma gondii usually causes cerebral abscesses in immunocompromised patients, particularly those with the acquired immunodeficiency syndrome (AIDS).¹ Toxoplasmosis may also take a disseminated form, with dominant pulmonary ...

To the Editor: Dideoxyinosine is a purine analogue with antiretroviral activity currently used to treat human immunodeficiency virus (HIV) infection.^{1 2 3} We recently reported the development of retinal lesions in 3 of 43 children (7 percent) with HIV ...

To the Editor: Your recent editorial, "Journals in Bits and Bytes" (Jan. 16 issue),* properly considers many important questions about the possible effects of electronic technology and communication on the integrity and validity of medical information; I ...

Gower Medical Publishing and J.B. Lippincott have published seven works dealing with the imaging of different anatomical areas and clinical conditions. The books in this selection, on first inspection, appear similar. Six of them are the same size and ...

The second edition of this book, by the same three authors, has been greatly expanded from the first (from 326 to 606 pages). Three goals are set in the preface: an updating of images (a reflection of the superior quality of CT scanning during the past ...

This book was written to demonstrate the efficacy of MRI in the diagnosis of diseases involving the spinal axis. It is divided into nine chapters. The first chapter, devoted to the physics of MRI, is very well done, with clear and instructive ...

The objective of this book is to "familiarize radiologists, gynecologists, urologists, and general surgeons, as well as medical-surgical radiation oncologists with modern MRI of the pelvis." I believe that the authors more than accomplish this goal. ...

This timely and useful book fills an important niche in the radiologic literature. MRI is especially suited to the imaging of children because of its lack of ionizing radiation (in contrast to CT, its principal competitor), as well as its exquisite ...

This book is 1 of 10 that make up the Raven MRI Teaching File. Five books in this series are devoted to neuroradiology (including head and neck), and one book each is devoted to MRI of the body, musculoskeletal system, and cardiovascular system; pediatric ...

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CLINICAL MEDICINE

The master classes will be offered in New York during the ...