title: Variability in tracheostomy tubes.
authors: I
authors: I
authors: Ahma
authors: R C
authors: RC
authors: Loveland
authors: J
authors: J
authors: Rangasami
mesh_terms: D004867:Equipment Design; D006801:Humans; D014139:Tracheostomy / Q000295:instrumentation*; D015300:Ventilator Weaning / Q000295:instrumentation