Katz DA, Littenberg B, Cronenwett JL (November 1992). "Management of small abdominal aortic aneurysms. Early surgery vs watchful waiting". JAMA. 268 (19): 2678–86. doi:10.1001/jama.268.19.2678. PMID1433687.
Katz DA, Littenberg B, Cronenwett JL (November 1992). "Management of small abdominal aortic aneurysms. Early surgery vs watchful waiting". JAMA. 268 (19): 2678–86. doi:10.1001/jama.268.19.2678. PMID1433687.