Aneurysms of the aortic arch and descending aorta are invariably fatal if left to expand, but also represent considerable surgical challenges. The development o
Backgrounds: It is difficult to develop clear endoscopic field during transurethral resection (TUR) of urethral tumors, because irrigation water easily spills o
Objective: Due to the lack of studies assessing hypovitaminosis D and secondary hyperparathyroidism in Brazilian HIV-infected population, especially in the nort
One form of renal osteodystrophy secondary to chronic renal failure is the osteitis fibrosa cystica, which is the complication of secondary hyperparathyroidism.