: Studies often "update" our understanding of the abdominal aorta and its branches, such as the renal and hepatic arteries. For instance, a double renal artery occurs in roughly 32.4% of some populations.

: This site often provides free-access PDFs for papers like "Normal Variants of the Oral and Maxillofacial Region: Mimics and Pitfalls" .

: Radiological updates help differentiate benign variants from "malignant" patterns that can cause sudden cardiac death. Where to Download "Mise au Point" PDFs