RT Journal Article SR Electronic T1 CASSETTE TAPES: ANGINA AND HEART ATTACKS, BLOOD PRESSURE, DIABETES, ARTHRITIS AND RHEUMATISM JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 115 OP 115 VO 32 IS 235 A1 S. A. Smail YR 1982 UL http://bjgp.org/content/32/235/115.2.abstract AB