Leads from the MMWR. Hepatitis B associated with jet gun injection--California.
D000554:Ambulatory Care Facilities; D002140:California; D006063:Chorionic Gonadotropin / Q000008:administration & dosage; D004196:Disease Outbreaks; D004866:Equipment Contamination; D006509:Hepatitis B / Q000453:epidemiology / Q000635:transmission*; D006801:Humans; D007277:Injections, Jet / Q000295:instrumentation*; D009765:Obesity / Q000628:therapy
D006063:Chorionic Gonadotropin