Browse Items (137 total)

BACKGROUND: The lake deposits of the informal Ruby Paper Shale unit, part of the Renova Formation of Montana, have yielded abundant plant fossils that document Late Eocene - Early Oligocene global cooling in western North America. A nearly complete…

Lesions were placed in various parts of the inferior olivary nucleus and olivocerebellar tract in an attempt to define further the role of the inferior olive in the performance of a conditioned limb-flexion response (LFR) in cats. Thirty-two cats…

Specific behaviors comprising the serotonin syndrome (low body posture, forepaw treading, headweaving) and the autonomic signs of piloerection and salivation were determined and analyzed with locomotor activity in response to MDMA at three doses…

The discriminative stimulus properties produced by ethanol were employed to demonstrate differences in discriminative performance over time in rats trained at different postinjection times. Thus, one group of rats was trained to discriminate between…

A series of three experiments were conducted to investigate the possible serotonergic and dopaminergic mediation of the discriminative stimulus properties of the "designer" drug MDMA. In Experiment 1, rats trained to discriminate 1.5 mg/kg (+/-)-MDMA…

Although there are no Class I data supporting the regionalization of trauma care the consensus is that trauma centers decrease morbidity and mortality. However, the controversy continues over whether trauma surgeons should be in-house or take call…

Inflammatory polyps are usually associated with inflammatory bowel disease. The majority of these lesions are asymptomatic, however, they may be a source of obstruction or hemorrhage. These polyps represent re-epithelialization of the damaged colonic…

The duration of long-term potentiation (LTP) of the CA1 evoked field potential in rat hippocampal slices was significantly modulated by pre-treatment of slices with delta-9-tetrahydrocannabinol (THC) added to the incubation media. The three THC doses…

The purpose of this randomized, controlled, clinical trial was to determine the effect of the digital rectal examination (DRE) on the prostate-specific antigen (PSA) serum levels in view of conflicting literature reports and screening methods and…

Because experience in our newborn intensive care unit follow-up clinic since 1982 suggested that immunizations of newborn intensive care unit graduates in the first 2 years of life were inappropriately delayed, questionnaires were sent to families…

STUDY OBJECTIVE: Previous reports have emphasized that thrombolytic therapy for acute myocardial infarction should be initiated within three or four hours of symptom onset to obtain the best clinical outcomes. However, our clinical impression was…

The drug discrimination paradigm was used to evaluate the effects of selective breeding for differential sensitivity to the hypnotic effects of ethanol. Tenth generation high alcohol sensitive (HAS) and low alcohol sensitive (LAS) rats were trained…

The correct timing of surgery in cases of gallstone pancreatitis is debatable. To delineate more clearly the influence of the timing of surgery in the treatment of the disease, a prospective randomized clinical study of early surgery (less than 48…

Scanning (SEM), and transmission (TEM) electron microscopy were used and correlated to morphologically characterize changes induced in the gallbladder epithelium of female Syrian hamster in response to treatments with estradiol (E) alone, and…

Addition of tromantadine after virus penetration inhibited HSV-1 induced syncytium formation and virus production in HEp-2 and VERO cells and acted additively with neutralizing antibody in blocking virus spread and cytopathology. Inhibition of…

Historically, appendicitis in the elderly is associated with higher morbidity and mortality. Ninety-six patients over 60 years of age with appendicitis treated over a 10-year period were reviewed. Only 20% presented classically with anorexia, fever,…

Aspartame (APM) is a low-calorie sweetener recently approved and released for widespread use in the United States. However, concerns still exist that APM consumption may be responsible for adverse neurological and psychological effects in some…

Nine male rats were trained to discriminate 1.4 mg/kg norfenfluramine (NF) from its vehicle using a two-lever, food-motivated, operant discrimination task. Once trained, the rats showed a dose-dependent decrease in responding on the

PURPOSE: To begin to understand how residents' work affects their own educations and the hospitals in which most of their training takes place, the authors undertook a systematic review of the literature analyzing residents' activities. This review…

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