TYPHOID fever is a serious disease occurring frequently in many developing countries.^{1 2 3} Control of the disease requires uncontaminated water, effective sewage disposal, and prompt diagnosis and treatment of patients and of asymptomatic carriers. ...

ASPERGILLUS organisms are ubiquitous saprophytes that usually live on decaying vegetation and rarely behave as pathogens in a normal host.¹ When their spores are aerosolized, infection, usually airborne, may arise. In an otherwise healthy host, ...

CANCER of the lung is the leading cause of death from cancer in men and the second leading cause in women.¹ There are two major classes of lung cancer: small-cell lung carcinoma and non-small-cell lung cancers, which can be further divided histologically ...

PERSONS with hemophilia constitute one of the populations that have a high prevalence of serologic markers of human immunodeficiency virus (HIV). A recent national study in France showed that 50 percent of patients with hemophilia A or B were positive for ...

AMONG twins delivered before term, the second (nonpresenting) twin is at greater risk for the respiratory distress syndrome than the first twin.^{1 2 3 4} Many investigators have assumed that this increase in risk is due to the second twin's predisposition ...

THE likely routes of transmission of the acquired immunodeficiency syndrome (AIDS) were established before an etiologic agent was identified. The appearance of AIDS in disparate populations, connected only by probable routes of transmission, was among the ...

T-lymphocytes, unlike B lymphocytes, predominantly recognize antigen when it is associated with membrane-bound products of the major histocompatibility complex (MHC).^{1 2 3} This "dual" recognition (i.e., for both antigen and the MHC) is important for ...

Presentation of Case

A 69-year-old man was admitted to the hospital because of numbness of the right hand and a mass in the right axilla.

He was well until two months earlier, when he began to notice numbness over the palmar aspect of the right thumb and ...

The factors leading to invasive fungal infection in the compromised host can be divided into two general categories: the intensity of the epidemiologic exposure to which the individual has been subjected and the net state of immunosuppression or host-...

The acquired immunodeficiency syndrome (AIDS) in the hemophilic population has been devastating. The first example of transfusion-induced AIDS was diagnosed in a patient with hemophilia who died of Pneumocystis carinii pneumonia in 1982. So far, studies ...

Chasen — William Henry Chasen, M.D., of Chestnut Hill, died on September 9. He was 80.

Dr. Chasen received his degree from the Faculte de Medecine de l'Université de Lausanne in 1937. He was a member of the American Medical Association, the American ...

To the Editor: Pneumocystis carinii pneumonia, the most common life-threatening opportunistic infection in patients with the acquired immunodeficiency syndrome (AIDS), occurs in 62 percent of patients and often recurs.¹ Even in patients receiving ...

No extract is available for articles shorter than 400 words.

To the Editor: Recently, Sobol et al. (April 30 issue)¹ studied the expression of myeloid antigen in adult acute lymphoblastic leukemia (ALL). Surprisingly, patients who were positive for the antigen (My⁺) accounted for 33 percent of the series, being ...

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: Dr. McGregor, in addressing the controversy relating to the academic boycott of South Africa (April 16 issue),* concludes that an academic boycott should not be undertaken at this time. However, he can justify his position only by ...

This book moves the boundary lines of orthopedic surgery to the frontier of orthopedic medicine. It includes historical background information, with many references. The many authors were instructed to describe the underlying mechanisms of normal and ...

Campbell's continues to be a prodigious work, covering almost every aspect of operative orthopedics. This latest edition has been rewritten and reorganized to present a more contemporary view of orthopedic surgery, with the emphasis shifted from less ...

No extract is available for articles shorter than 400 words.

The human musculoskeletal system consists of 210 bones, about 650 muscles, 174 joints, and 60 named bursae; muscles account for about 40 percent of the total body weight. Remarkably, this complex system functions in an efficient and integrated fashion for ...

Neck pain is extremely common. Patients with afflictions of the cervical spine are numerous in both primary care practices and the practices of specialists in rheumatology, orthopedic surgery, and neurosurgery. Physicians in general react to these ...

Neck pain is extremely common. Patients with afflictions of the cervical spine are numerous in both primary care practices and the practices of specialists in rheumatology, orthopedic surgery, and neurosurgery. Physicians in general react to these ...

Each of these works consists of chapters written by approximately 30 authors. Both books are devoted to the problem of back pain. The first places most of its emphasis on the mechanisms of back pain and nonsurgical treatment of it; the second focuses on ...

Biomedical Science

Animal Models of Dementia: A synaptic neurochemical perspective. (Neurology and Neurobiology. Vol. 33.) Edited by Joseph T. Coyle, 313 pp., illustrated. New York, Alan R. Liss, 1987. $98.

Basic Immunology: Immune mechanisms in health ...

INTRODUCTION TO SEARCHING BRS COLLEAGUE

The training course for searching medical databases, sponsored by MEDLINK, will be offered in Waltham, Mass., on Nov. 14.

Contact Jan Ananian, MEDLINK, P.O. Box 9080, Waltham, MA 022549080; or call (617) 890–0385.

...