title: Special cannula to use 20-gauge instruments while performing a 23-gauge vitreous surgery in complicated cases.
authors: Bioengineering Sector, Department of Ophthalmology, Federal University of São Paulo, São Paulo, Brazil. anderson.lbo@uol.com.br
authors: Anderson
authors: A
authors: Teixeira
authors: Antonio Marcelo Barbante
authors: AM
authors: Casella
authors: Cesar
authors: C
authors: Bernilla
authors: Fernando
authors: F
authors: Jopetibe
authors: Milton
authors: M
authors: Yogi
authors: Paulo
authors: P
authors: Falabella
authors: Juliana
authors: J
authors: Sartori
authors: Paulo
authors: P
authors: Schor
mesh_terms: D002404:Catheterization / Q000295:instrumentation*; D057785:Catheters; D004867:Equipment Design; D006801:Humans; D014821:Vitrectomy / Q000295:instrumentation* / Q000379:methods