Generation of tissue microarrays (TMAs) from paraffin embedded clinical specimens allows several portions of many different tumors to be simultaneously examined histologically or probed for protein markers of disease using immunohistochemical methodologies. Using this approach, up to one hundred or more different tumors can be archived and tested on a single microscope slide. Courtesy of Dr. Christopher Moskaluk. generic viagra sold in us purchase tramadol online cheap viagra online india

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