an exhibition which opened yesterday at the SF Camerawork gallery is a collection of photos taken by various artists from The Mütter Museum of the College of Physicians of Philadelphia. The Mütter is known for their rare collection of specimens and models of medical curiosities like human horns, foetal abnormalities, conjoined twins, and murderers' brains. also at SF Camerawork will be artist presentations by Phil Ross and Laura Splan.