PT - JOURNAL ARTICLE AU - J I Wiener TI - MR field strength: unanswered questions. DP - 1996 Jan 01 TA - American Journal of Neuroradiology PG - 189--190 VI - 17 IP - 1 4099 - http://www.ajnr.org/content/17/1/189.short 4100 - http://www.ajnr.org/content/17/1/189.full SO - Am. J. Neuroradiol.1996 Jan 01; 17