title: Decreases in basic life support chest compression fraction after advanced life support arrival.
authors: Randal
authors: R
authors: Gray
authors: Masayuki
authors: M
authors: Iyanaga
authors: Henry E
authors: HE
authors: Wang
mesh_terms: D022561:Advanced Cardiac Life Support; D016887:Cardiopulmonary Resuscitation / Q000379:methods*; D006801:Humans