RT Journal Article SR Electronic T1 What can I do when first-line measures are not enough for vasovagal syncope? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 920 OP 922 DO 10.3949/ccjm.85a.17112 VO 85 IS 12 A1 Erika Hutt-Centeno A1 Kenneth A. Mayuga YR 2018 UL http://www.ccjm.org/content/85/12/920.abstract AB