links for 2009-10-21
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Dermatofibrosarcoma protuberans (DFSP) is a soft tissue tumor with tendency to recur locally and only rarely metastasizes to vital organs. Surgery with wide margins remains the standard treatment. DFSP is characterized by specific chromosomal abnormalities involving the platelet derived growth factor B locus (PDGFB).
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"Twitter is stronger on average with the younger audience – the same one that TV nets and advertisers covet. Overall it's younger than Facebook, which is graying. Still, pound for pound I am sure Facebook has more consumers in the same demo given its girth."