Research shows that superbugs are killed by ACTICOAT™ silver-coated antimicrobial dressings (via PR Newswire)ST. PETERSBURG, Fla., April 9, 2013 /PRNewswire/ — Smith & Nephew (LSE: SN, NYSE: SNN), the global medical technology business, today announced in-vitro study results suggesting ACTICOAT Silver-Coated Antimicrobial Dressings are bactericidal against some antibiotic resistant organisms carrying the…