PT - JOURNAL ARTICLE AU - Maravilla, K R TI - Optimal use of MR contrast agents: how much is enough? DP - 1991 Sep 01 TA - American Journal of Neuroradiology PG - 881--883 VI - 12 IP - 5 4099 - http://www.ajnr.org/content/12/5/881.short 4100 - http://www.ajnr.org/content/12/5/881.full SO - Am. J. Neuroradiol.1991 Sep 01; 12