RT Journal Article SR Electronic T1 High blood pressure and low blood pressure in the elderly. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 1 OP 7 VO 18 IS 84 Suppl 1 A1 Wollner, L. YR 1969 UL http://bjgp.org/content/18/84_Suppl_1/1.1.abstract AB