AJR Am J Roentgenol. 1998 Oct;171(4):923-5. doi: 10.2214/ajr.171.4.9762969.
AJR. American journal of roentgenology
P M Logan, D B Fraser
PMID: 9762969 DOI: 10.2214/ajr.171.4.9762969
[No abstract available.]