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In the absence of irradiation or other cytoreductive conditioning, endogenous hematopoietic stem cells (HSCs) are thought to fill the unique niches within the bone marrow that allow maintenance of full hematopoietic potential and thus prevent productive engraftment of transplanted donor HSCs. By transplantation of purified exogenous HSCs into unconditioned congenic histocompatible strains of mice,
Ultraviolet (uv) radiation of the operating room was assessed bacteriologically in an open randomized study of 30 total hip procedures. Volumetric air-sampling demonstrated that the number of colony forming units (cfu m-3) were significantly reduced (P less than 0.001) by uv light, both close to the wound and in the periphery of the operating room. No adverse effects of the uv-irradiation were obs
OBJECTIVES: To measure the impact on survival of being exposed to asbestos cement dust. METHODS: Survival of 866 asbestos cement workers and 755 controls was studied with Cox's proportional hazards regression models with age as the basic time variable. The effect of cumulative exposure up to the age of 40 was investigated in an internal analysis of 635 asbestos cement workers who had dose estimate
Our previous studies have indicated that endogenous nitric oxide serves as a physiologically important inhibitor of vascular tone during acute haemorrhage. This vasodilator action attenuates the concomitant reflex adrenergic constriction and thereby prevents critical reduction of tissue blood flow. The present study aimed to evaluate the overall importance of this nitric oxide regulation for survi
Some patients with hearing impairment cannot use conventional hearing aids. One solution for these patients is the use of bone conduction hearing aids; however, this kind of equipment is associated with several problems related to the necessity for a good contact between the transducer and the temporal bone. Direct bone contact would be an ideal solution provided that safe and reaction-free skin p
Objective To evaluate the rate of over-diagnosis of breast cancer 15 years after the end of the Malmo mammographic screening trial. Design Follow-up Study. Setting Malmo, Sweden. Subjects 42 283 women aged 45-69 years at randomisation. Interventions Screening for breast cancer with mammography or not (controls). Screening was offered at end of randomisation design to both groups aged 45-54 at rand
The book contains articles written by advanced students and senior academics on European issues within a large field of perspectives.
The rat urinary bladder responded to infravesical obstruction by an increased weight. The weight began to increase after 3 days of obstruction. After 10 days the weight gain had become significant, but increased further with time. At 90 days the bladders weighed 12 times the initial weight. Lactate dehydrogenase (LDH) activity per unit bladder weight increased with the duration of the obstruction.
Higgs boson production with subsequent decay to photons was searched for in the data collected by the DELPHI detector at centre-of-mass energies between 183 GeV and 209 GeV, corresponding to a total integrated luminosity of nearly 650 pb(-1). No evidence for a signal was found, and limits were set on h(0)Z(0) and h(0)A(0) production with h(0) decay to photons. These results were used to exclude re
In this paper I discuss two surprising facs in Swedish grammar, the presence of a particular active verb form, the supine, after auxiliary have in perfect and pluperfect, and the free word order found in the middle fielld of main clauses. The supine is not found in any other Germanic language, and is presumably to be seen as a result of a historical coincidence. The free word order in the middle f
The partitioning behaviour of biotinylated mixed liposomes in aqueous poly(ethylene glycol)/dextran two-phase systems containing NeutrAvidin-dextran suggests that the biotin-NeutrAvidin affinity interaction is charge dependent. Biotinylated phosphatidylcholine liposomes with a low negative surface charge distributed in the NeutrAvidin-containing bottom phase at neutral pH, but the introduction of
The theme throughout this book is the buildning up of a new societal structure and the conflicts encompassed in such a project. I discuss the societal changes in Sandinista Nicaragua by way of placing the revolution in a historic, political, and social context. Throughout the work process it became increasingly clear that the conflicts of the FSLN were in principal due to two factors. First, the F
