Metadata
Author: scielo-abstract
Data
English[en]
Methods: This is an observational analytical cross-section trial for which tree types of 27 gauge commercial needles were selected: BD Whitacre pencil point, Spinocan Quincke sharp point, and Disposable spinal needle.
Spanish[es]
Métodos: Este es un estudio observacional analítico de corte transversal; se escogieron 3 tipos comerciales de agujas de calibre 27: BD Whitacre punta de lápiz, Spinocan Quincke punta cortante y Disposable spinal needle.