TY - JOUR T1 - Head-up tilt testing. The balance of evidence. JF - British Heart Journal JO - Heart SP - 216 LP - 217 DO - 10.1136/hrt.72.3.216 VL - 72 IS - 3 AU - A D Hargreaves AU - O el Hag AU - N A Boon Y1 - 1994/09/01 UR - http://heart.bmj.com/content/72/3/216.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -