This paper presents a 10-bit, 600 MS/s direct-sampling sub-Nyquist rate DAC-based frequency-agile wideband transmitter for IEEE 802.22 cognitive radio applications in the VHF/UHF TV band (54 – 862 MHz).Multi-mode reconstruction using Gilbert cells, including non-return-to-zero, return-to-complement, and return-to-complement with reset, allow
Osteosarcoma is the most common malignant bone tumor, and although there has been significant progress in its management, metastases often herald incurable disease.Here we defined genes differentially expressed between Nutritionals - Standard Tube Feeding primary and metastatic osteosarcoma as metastasis-related genes (MRGs) and used them to constr
Community-acquired pneumonia is a very common respiratory tract infection, especially in older adults; however, its mortality in outpatients Toddler Tops is very low compared to other pathologies.As in other respiratory infections, the etiology includes viruses, bacteria and other microorganisms.The most common bacterial etiology is: Streptococcus
Abstract Background Typical symptoms of an acute human immunodeficiency virus (HIV) infections like fever and rash are not specific and can be caused by a multitude of other pathogens, such as Zika or rickettsiosis.Up to 30% of primary HIV infection do not present with the typical flu-like symptoms and thus represent a diagnostic challenge.In this
Andrew Browning,1,2 Birhanu Menber21Maternity Africa, Arusha, Tanzania; 2Vision Maternity Care, Barhirdar, Ethiopia Objectives: To determine the impact of volunteer obstetricians and Metalwear midwife teams on obstetric services in a rural hospital in Ethiopia.Methods: The intervention was undertaken in Mota district hospital, a rural hospital in t