Lymphosarcoma with hypercalcemia and osteolysis in a dog          下载免费PDF全文

Hirsch VM  McLaughlin BG  Parent J 《The Canadian veterinary journal. La revue veterinaire canadienne》1983,24(10):301-304

Lymphosarcoma in a six year old male Doberman pinscher was accompanied by hypercalcemia, generalized osteolysis and renal calcification. Tumor involvement of bone marrow was extensive. The possible pathogenesis of hypercalcemia was thought to be the result of a locally active bone-resorbing factor secreted by the tumor cells.  相似文献   

Programs provide a history lesson--blacks and women in science     

Wrather J 《Science (New York, N.Y.)》1983,220(4593):186-187

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Ultrasound emission after cycles of water stress in Picea abies     

Borghetti M  Raschi A  Grace J 《Tree physiology》1989,5(2):229-237

The relationships among rate of ultrasound acoustic emission (AE), xylem water potential and transpiration rate were investigated in 5-year-old potted saplings of Picea abies Karst. after cycles of water stress. Water-stressed plants displayed minimum xylem water potentials of -3.9 MPa, near-zero transpiration rates and up to 45 AE counts per minute. After rewatering, water-stressed plants no longer produced AEs. Well-watered control plants produced only a small number of ultrasonic AEs. After three cycles of water stress (lasting 24 days in total), it was estimated that about two-thirds of the functional tracheids were embolized. The concomitant reduction in hydraulic conductance was about 70%.  相似文献   

What's in a Name?     

Benditt J 《Science (New York, N.Y.)》1989,246(4935):1252-1253

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Jeane dixon, call your office!     

Benditt J 《Science (New York, N.Y.)》1989,246(4935):1252

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QSO Absorption Lines. Probing the Universe. J. Chris Blades, David A. Turnshek, and Colin A. Norman, Eds. Published for the Space Telescope Science Institute by Cambridge University Press, New York, 1988. x, 348 pp., illus. $39.50. Space Telescope Science Institute Symposium Series, vol. 2. From a meeting, Baltimore, MD, May 1987     

Bechtold J 《Science (New York, N.Y.)》1989,246(4936):1504-1505

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Hormone antagonist with broad potential     

C J  P J 《Science (New York, N.Y.)》1989,245(4924):1322

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Top quark search     

Peoples J 《Science (New York, N.Y.)》1989,246(4933):984-985

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Cortical bone allograft for repair of a femoral fracture in a cat          下载免费PDF全文

Grognet J 《The Canadian veterinary journal. La revue veterinaire canadienne》1989,30(3):246-248

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Selenium supplementation of young red deer (Cervus elaphus)     

Mackintosh CG  Gill J  Turner K 《New Zealand veterinary journal》1989,37(4):143-145

Two selenium (Se) supplementation trials were conducted in successive years involving a total of 70 red deer calves 3-15 months of age grazing pasture containing 30-57 ppb of Se on a dry matter basis. The trials compared growth rate, whole blood Se and glutathione peroxidase (GSHpx) concentrations of calves which received periodic doses of oral Se or a single injection of barium selenate (equivalent to 50 mg Se) or no Se supplementation. There were no significant weight gain differences between treated and untreated groups in either trial. Whole blood GSHpx levels were strongly correlated with blood Se levels (r = 0.9278) and produced the following regression equation: GSHpx = 0.0155 Se - 2.292. In both years the 3 month old calves had GSHpx levels of 6-9 kU/I which probably derived from maternal transfer of Se. The GSHpx levels in unsupplemented calves declined from these levels to a minimum in winter (group means approximately 2.6) and then progressively rose the following spring and summer. Periodical oral dosing with Se or a single injection of barium selenate significantly elevated blood Se and GSHpx levels throughout the trials.  相似文献