The US Department of Agriculture orders Santa Cruz Biotechnology to pay a $3.5 million fine and to cease selling research antibodies.
July 21, 2000
NEW YORK, July 17 (Praxis Press) Cross-sectional epidemiologic studies have disagreed about the occupational risk of Helicobacter pylori infection among gastroenterologists. Hildebrand and colleagues performed a prospective, case-control study of 54 gastroenterologists and 103 controls who were negative for H. pylori infection at baseline (paper). Seven of the gastroenterologists acquired H. pylori infection during 270 person-years of follow-up, whereas only one of the controls acquired infectio