1. Perioperative Nursing Data Set: The Perioperative Nursing Vocabulary,2002
2. “Operating room records, counts cause concern,” (OR Nursing Law);Murphy;AORN Journal,1990
3. “Nurses' vs surgeons' responsibility for sponge counts”, (OR Nursing Law);Zuffoletto;AORN Journal,1993
4. ”Sponge and instrument counts,” (Risk Analysis, Surgery and Anesthesia 5);ECRI;Healthcare Risk Control,1996
5. “Patient safety: Risk factors for retained instruments and sponges after surgery”;Gwande;The New England Journal of Medicine,2003