The 'perfect' pouch? It's not open and shut.
Caporino
P P
PP
Maine Medical Center, Portland, ME, USA.
D002495:Central Supply, Hospital / Q000592:standards*; D003657:Decision Making; D004867:Equipment Design; D004865:Equipment and Supplies, Hospital / Q000191:economics / Q000592:standards*; D005069:Evaluation Studies as Topic; D017721:Hospital Costs; D008281:Maine; D013242:Sterilization / Q000191:economics / Q000295:instrumentation* / Q000592:standards