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Cover Figure

ONLINE COVER This week's issue features a Meeting Report on a conference that was held in Berlin, Germany, from 6 to 9 September 2009, on the effects of bone morphogenetic proteins (BMPs) on structures and processes throughout the body. [Image: Yana Greenman, AAAS]

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Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882