PT - JOURNAL ARTICLE AU - E. Ralph Heinz TI - Development of the C1–C2 Puncture in Neuroradiology: A Historical Note DP - 2005 Jan 01 TA - American Journal of Neuroradiology PG - 5--6 VI - 26 IP - 1 4099 - http://www.ajnr.org/content/26/1/5.short 4100 - http://www.ajnr.org/content/26/1/5.full SO - Am. J. Neuroradiol.2005 Jan 01; 26