It has recently been found that three men produced semen samples containing totally immotile but otherwise apparently normal spermatozoa.¹ The tails of these spermatozoa had no dynein arms — i.e., the structures on the nine microtubular doublets of the ...

IT is generally accepted that idiopathic hemochromatosis is an inherited disease.¹ One or more abnormalities in iron metabolism have been repeatedly recognized in 25 to 75 per cent of first-degree relatives of patients with the disease.^{2 3 4 5 6 7} ...

BECAUSE mitral-valve prolapse may be detected by phonocardiography or echocardiography,^{1 2 3 4 5 6 7 8} ability to establish the diagnosis exceeds knowledge of its implications for the individual patient. Recent reviews^{9 10 11 12} emphasize that although ...

The meployment of scientific effort to achieve a major political purpose has produced several of this nation's most successful and prestigious societal institutions. Prominent among them is the National Institutes of Health (NIH), created to conduct and ...

(First of Two Parts)*

THE symptoms of cardiac failure are related to some combination of circulatory congestion (often referred to as "backward failure") and low cardiac output ("forward failure"). In simple pump-function terms these symptoms indicate ...

The advent of space flight has permitted man to leave his accustomed place on the surface of the earth and take the first tentative steps outward into the vastness of the universe. In doing so, man has also been able to remove himself for the first time ...

Presentation of Case

First admission. A 56-year-old man was admitted to the hospital because of coronary-artery disease.

He was well until seven months previously, when anterolateral myocardial infarction occurred. Two months before entry congestive ...

Since Leeuwenhoek's account of the swimming movements of spermatozoa (1677) and the description of ciliated epithelia by Purkinje and Valentin,¹ biologists have been intrigued by the mechanism of motility of cilia and flagella. Internal structure could ...

IN writing prescriptions, doctors may have recourse to the recently issued third edition of the AMA Drug Evaluations, the Physicians' Desk Reference (PDR) and probably some standard pharmacologic text. But what does a physician know about the OTC (overthe-...

Expensive technologic innovation is a major contributor to the rapidly increasing cost of health and medical care. Although the economic, professional and social implications of such innovation may be profound, it is sometimes difficult to identify the ...

No extract is available for articles shorter than 400 words.

To the Editor: We found raised plasma catecholamines in some patients with primary hypertension,^{1 2 3} implicating neurogenic factors in the pathogenesis of the elevated blood pressure. Lake et al. reported that "no significant alteration in activity of ...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

To the Editor: The report by Mortimer, Monson and MacMahon (N Engl J Med 296:581–585, 1977), which described a reduction in mortality from coronary-artery disease for men but not for women with residence at higher altitudes in New Mexico, contradicted an ...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

To the Editor: In Dr. Eisenberg's examination of "Psychiatry and Society" (N Engl J Med 296:903, 1977), he briefly focuses on the abuses of psychiatric concepts by political systems, using the Soviet Union as the prototypical example.

In the light of the ...

No extract is available for articles shorter than 400 words.

To the Editor: It must be rare for a column memorializing a colleague to inspire a letter to the Editor. However, I found the recollections concerning Herrman Blumgart, M.D. (N Engl J Med 296:1117, 1977) absolutely fascinating. Dr. Blumgart was one of my ...

No extract is available for articles shorter than 400 words.

This book can be reviewed from different perspectives. The general public may consider the authors' views dramatic or radical. To academics, few of these views will be new; most are at least a decade old, and many are generally accepted.

Like other ...

Mary Roth Walsh has produced a pivotal study that traces the history of women in medicine in this country over the past 150 years, and attempts to place their accomplishments and regressions into historical perspective. Drawing on a wide variety of ...

No extract is available for articles shorter than 400 words.

LEADBETTER SYMPOSIUM

The first biennial Wyland F. Leadbetter Memorial Symposium, "Genitourinary Oncology," will be held at the University of Minnesota in Minneapolis, September 8–10.

Further information may be obtained from the Office of Continuing ...

No extract is available for articles shorter than 400 words.

Manuscripts

Manuscripts of Original and Special Articles are accepted for consideration with the understanding that they, or their essential substance, tables or figures, have been neither published in nor submitted to any type of publication circulated ...