Backflow prevention: an update.
Verhagen
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D018441:Biofilms; D003770:Dental Offices; D004866:Equipment Contamination / Q000517:prevention & control; D006801:Humans; D019552:Infection Control, Dental / Q000379:methods*; D008824:Michigan; D012498:Sanitary Engineering / Q000295:instrumentation*; D014871:Water Microbiology; D014881:Water Supply