Now showing items 1281-1290 of 1292
Fate and expression of simian virus 40 DNA after introduction into murine cells under nonselective conditions
(Elsevier, 1987-05)
When SV40 infects mouse cells, it does not replicate but instead causes neoplastic transformation of a small percentage of the cells. It is unknown, however, what happens to the virus in those cells that do not become ...
Effects of HIV infection, perceived health and clinical status on a cohort at risk for aids
(Elsevier, 1988)
Data from a general population sample of 621 healthy homosexual men are used to evaluate the social and emotional effects of HIV antibody status, clinical signs detected by medical examination, and subjectively perceived ...
Transforming growth factor beta stimulates phosphoinositol metabolism and translocation of protein kinase C in cultured astrocytes
(Elsevier, 1988-10-31)
Transforming growth factor beta (TGF-[beta]) is a regulatory peptide found in many normal and neoplastic tissues, including brain, with a diverse range of cellular effects. The transmembrane biochemical signals by which ...
The effectiveness of chemotherapy for treatment of high grade astrocytoma in children: Results of a randomized trial
(Kluwer Academic Publishers; Springer Science+Business Media, 1989-07)
Fifty-eight patients with high-grade astrocytoma were treated by members of the Childrens Cancer Study Group in a prospective randomized trial designed to study the effectiveness of chemotherapy as an adjuvant to standard ...
Telencephalon of the teleost Macropodus: experimental localization of secondary olfactory areas and of components of the lateral forebrain bundle
(Elsevier, 1981-11)
Connections of the telencephalic hemisphere were experimentally examined to facilitate investigations of the functions of this major brain area in teleosts. The distribution of afferent olfactory tract fibers was traced ...
Evaluating Medical Student Clinical Skill Performance
(SAGE PUBLICATIONS, INC., 1988)
Second-year medical students (N = 187) evaluated their own videotaped performances of one of eight randomly assigned physical assessment examinations. The videotaped performance was one component of an introduction to ...
Pretest and Treatment Effects in an Elementary School-Based Alcohol Misuse Prevention Program
(Sage Publications, 1989)
Forty-nine schools (N = 5,680 fifth and sixth grade students) were assigned to pre test/treatment, pretest/no treatment, no pretest/treatment, and no pretest/no treat ment conditions in the context of an alcohol misuse ...
Heredity, stress and blood pressure, a family set approach: The Detroit Project revisited,
(Elsevier, 1983)
Earlier conclusions from the Detroit Project utilizing an innovative "family sets" approach indicated that unspecified environmental factors, rather than genes, are the main determinants of blood pressure variation in ...
Use and Misuse of No-Difference Findings in Eliminating Threats To Validity
(Sage Publications, 1986)
Donald Campbell and his colleagues have elaborated an approach to research based on the elimination of threats to four validity types: internal, external, construct, and statistical conclusion. The central thesis of this ...
The legal minimum drinking age in texas: Effects of an increase from 18 to 19
(Elsevier, 1986)
Effects on motor vehicle crash involvement of raising the legal drinking age in Texas from 18 to 19 were examined, using an interrupted time-series design. Rates of single-vehicle-nighttime (SVN) and non-SVN crashes per ...