TY - JOUR T1 - Clinical use of ascorbic acid as an indicator of right-to-left shunt. With a note on other applications. JF - British Heart Journal JO - Heart SP - 22 LP - 29 DO - 10.1136/hrt.29.1.22 VL - 29 IS - 1 AU - A M Levy AU - R G Monroe AU - P G Hugenholtz AU - A S Nadas Y1 - 1967/01/01 UR - http://heart.bmj.com/content/29/1/22.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -