Fitzgerald, J. Edward F.; Malik, Momin; Ahmed, Irfan (2011). "A single-blind controlled study of electrocautery and ultrasonic scalpel smoke plumes in laparoscopic surgery". Surgical Endoscopy. 26 (2): 337–42. doi:10.1007/s00464-011-1872-1. PMID21898022.
Fitzgerald, J. Edward F.; Malik, Momin; Ahmed, Irfan (2011). "A single-blind controlled study of electrocautery and ultrasonic scalpel smoke plumes in laparoscopic surgery". Surgical Endoscopy. 26 (2): 337–42. doi:10.1007/s00464-011-1872-1. PMID21898022.