Juan Felipe Velez

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A retrospective-prospective descriptive and comparative study of two sternal closure techniques in a population of 621 patients divided into: group A, steel band closure (n=300) and group B, conventional technique closure (n=321), was carried out between January 2005 and December 2007 in order to describe and compare the results of both techniques in(More)
Several recent morphological studies in various mammals have sug gested that partial protection of the seminiferous epithelium against cancer therapeutic agents could be obtained by treatments using gonadotropin-releasing hormone analogues or steroids. However, considering that anticancer drugs can induce genetic lesions in germ cells that may transmit(More)
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