Acetylcysteine to Prevent Angiography-Related Renal Tissue Injury. A trial testing the hypothesis that prophylactic N-acetylcysteine prevents contrast-induced nephropathy in patients with chronic renal insufficiency (CRI) undergoing cardiac catheterization Conclusion N-acetylcysteine decreased the risk of postcatheterization nephropathy in patients with CRI
SAN DIEGO -- A longitudinal pigmented streak beneath the nail could either be a benign melanonychia striata or a far-from-benign subungual melanoma, but despite the vast difference in prognosis, the two conditions are very difficult to tell apart clinically, Dr.
As Konyok grows a moustache like Gherman's and starts dressing like him, the two men become almost as difficult to tell apart as the two sisters (who are finely cast for familial resemblance and then dressed similarly throughout).
Finally there's a guide for avid birders which explains why it's often so difficult to identify birds, from the challenges of separating immature colorings from adult to features which make common birds hard to tell apart.