TY - RPRT TI - Efficacy vs. effectiveness: the case of active compression-decompression (ACD) CPR. AU - J P Ornato PY - 1997 DO - 10.1016/s0300-9572(96)01093-3 UR - https://pubmed.ncbi.nlm.nih.gov/9051816/ ID - 9051816 ER -