The Out-Group Homogeneity Effect Across Development: A Cross-Cultural Investigation.

The present studies investigated the out-group homogeneity effect in 5- and 8-year-old Israeli and German children (n = 150) and adults (n = 96). Participants were asked to infer whether a given property (either biological or psychological) was true of an entire group-either the participants' in-group ("Jews" or "Germans") or their out-group ("Arabs" or "Turks"). To that end, participants had to select either a homogenous or a heterogeneous sample of group members.

Large-cell lymphoma presenting as acute cholecystitis.

A 62-year-old woman presenting with a clinical picture of acute cholecystitis was found to have lymphoma upon pathological examination of the gallbladder. Such a presentation of large-cell non-Hodgkin's lymphoma is unique and has not been described before.

The effect of acutely reduced plasma osmolality on acute renal failure in rats.

The present study was designed to evaluate the effect of acute fall in plasma osmolality in three models of acute tubular necrosis in rats: (a) glycerol, (b) arterial clamping and (c) mercuric chloride. Plasma osmolality was reduced by a water loading during a mild anaesthesia from 305 +/- 7 to 270 +/- 12 mosmol/kg of water (P less than 0.01).

Conservative approach in treating acute renal carbuncle.

During the years 1980-82 seven patients with renal carbuncles successfully underwent conservative treatment with antibiotics alone. Early diagnosis was made using excretory urography and nephrotomography, ultrasound and computerized tomography scan. Follow-up studies showed a normal kidney in six of the seven patients.

Blockade of the renal tubular effects of vitamin D by cycloheximide in the rat.

To further characterize the mechanisms by which 25(OH) vitamin D3 (25(OH)D3) and 1.25(OH)2 vitamin D3 (1,25(OH)2D3) suppress the phosphaturic action of parathyroid hormone (PTH) we have studied the effects of cycloheximide (cyclohex), a protein synthesis inhibitor, on the interaction between PTH and vitamin D metabolites in parathyroidectomized (PTX) rats, both in vivo and in vitro experiments. In clearance studies PTX PTH-infused rats were pretreated with cyclohex 2 h before the administration of vitamin D.

The management of laryngotracheal stenosis in burned patients.

Following burns of the upper respiratory tract, laryngotracheal stenosis is associated with considerable morbidity. This paper deals with the cumulative effect of various pathologic processes involved in burn trauma of the upper airway. Emphasis is placed on the extended use of endotracheal intubation and the avoidance of tracheostomy whenever possible.

Reevaluation of the polyvinylpyrrolidone sedimentation test in the diagnosis of ABO hemolytic disease of the newborn.

The rate of cord erythrocytes sedimentation in 1.5% polyvinylpyrrolidone (PVP) solution was investigated. Of 70 infants showing accelerated sedimentation rate, 49 had signs of hemolytic disease.

Thermography as a diagnostic aid in tennis elbow.

Thermal screening was used in order to distinguish between Tennis Elbow and entrapment of posterior interosseous nerve. Both conditions have a very similar clinical picture but there should be an altogether different approach concerning treatment. The differential diagnosis is therefore of great importance and thermography of the elbow is a valuable aid in this distinction.