1. Inadequate sympathovagal balance in response to orthostatism in patients with unexplained syncope and a positive head up tilt test. Issue 3 (1st September 1999) Authors: Kouakam, C; Lacroix, D; Zghal, N; Logier, R; Klug, D; Le Franc, P; Jarwe, M; Kacet, S Journal: Heart Issue: Volume 82:Issue 3(1999) Page Start: 312 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗