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OBJECTIVES To describe the demographics and nature of injuries occurring on or around horses, to examine the nature of protective clothing in relation to these injuries, and to compare our data with previously published work in this area. METHODS Patients were identified using the term "sports injury-horse riding" from the departmental database for one(More)
Messenger RNA which stimilates the synthesis of myosin heavy chain in a reticulocyte lysate has been isolated from single myogenic cell cultures. Specific myosin polypeptides have been identified by immunoprecipitation with an antibody made to purified adult chicken skeletal muscle myosin. This mRNA binds to oligo(dT)-cellulose, and an active fraction from(More)
A cellular protein of 36,000 daltons becomes phosphorylated at tyrosine in chicken embryo fibroblasts transformed with avian sarcoma viruses. We have used cellular fractionation and immunofluorescence to locate the 36-kdalton protein in virus-transformed and uninfected chicken fibroblasts. The 36-kdalton protein in transformed cells fractionated mainly with(More)
We use data from surveys of employers and households in four metropolitan areas to predict the degree of job availability for various types of disadvantaged workers, such as minorities, high school dropouts, and welfare recipients. We conduct simulations in which we " match " workers to jobs on the basis of skill, spatial, and racial characteristics of(More)
As part of an effort to optimize conditions required for the complete maturation of muscle cells in vitro, we have investigated the effects of the antibiotics penicillin, streptomycin, and Fungizone (amphotericin B) on the development of cultured chick embryo skeletal muscle. It is shown that even low dosages of streptomycin, but not penicillin or(More)
Fujinami sarcoma virus (FSV) encodes a 140,000-dalton transforming protein, P140, which contains gag- and fps-specific sequences. The cellular localization of this protein was examined by fractionation of [35S]methionine-labeled, FSV-infected chicken embryo fibroblasts. In homogenates of cells infected by wild-type, temperature-resistant FSV prepared in(More)