W20b Twardowski 1 Buttonhole Method of Fistula ... - SFAV
W20b Twardowski 1 Buttonhole Method of Fistula ... - SFAV
W20b Twardowski 1 Buttonhole Method of Fistula ... - SFAV
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The mouth <strong>of</strong> the buttonhole site enlarged<br />
creating bowl-like indentation at the entrance<br />
This interferes with cleaning and sterilization<br />
and may predispose to infections