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To investigate the causes and clinical characteristics of acute pharyngitis among school-aged children (4 to 18 years), we obtained throat cultures for respiratory viruses, Mycoplasma pneumoniae, group A streptococcus, and Chlamydia trachomatis from 320 patients with sore throat and 308 controls without respiratory complaints. The study was conducted from(More)
To assess the possibility that clinical data available at the time of hospital admission for patients with respiratory syncytial virus infection could predict the length of hospitalization without antiviral therapy, the charts of all 102 patients admitted with laboratory documented respiratory syncytial virus infection during 1982 to 1985 were reviewed. Two(More)
A whole serum-deprived (WSD) medium was developed and optimized for expansion of colony-forming cells (CFC) in cord blood (CB) mononuclear cell (MNC) cultures. This medium was compared with four commercially available WSD media (commercial media), three WSD media whose compositions have been publicly disclosed (public media), two serum-containing media, and(More)
Perfusion and static cultures of peripheral blood (PB) mononuclear cells (MNCs), obtained from patients following stem cell mobilization, were supplemented with interleukin-3 (IL-3), IL-6, granulocyte colony-stimulating factor (G-CSF), and stem cell factor (SCF) and compared with and without a preformed irradiated allogeneic bone marrow stromal layer.(More)
Ex vivo expansion of peripheral blood mononuclear cells (MNCs), cultured both directly and after selection for CD34+ cells, was compared in static and continuously perfused cultures containing interleukin (IL)-3, IL-6, granulocyte colony-stimulating factor (G-CSF), and stem cell factor (SCF). Cultures inoculated with either MNCs or CD34+ cells produced(More)
The in vitro culture of human hematopoietic cells has many research and therapeutic applications. Traditionally, human hematopoietic cultures have been conducted using serum-containing media. The disadvantages inherent in the use of serum could be eliminated by the use of serum-free media. In this review, we summarize and discuss the current status of(More)
This paper addresses entrepreneurship in the emerging Swedish mobile Internet industry. Entrepreneurship is defined as the creation of a new venture. The unique data set underlying this work consists of 249 ventures that were active in the mobile Internet industry during 1998-2004. The entry/exit pattern and their performance in 2000-2004 were studied along(More)
Sources of hematopoietic cells for bone marrow transplantation are limited by the supply of compatible donors, the possibility of viral infection, and autologous (patient) marrow that is depleted from prior chemo- or radiotherapy or has cancerous involvement. Anex vivo system to amplify hematopoietic progenitor cells could increase the number of patients(More)