TY - JOUR T1 - Virus Antibody Studies in Exacerbations of Chronic Bronchitis JF - The Journal of the College of General Practitioners JO - J Coll Gen Pract SP - 45 LP - 47 VL - 9 IS - 1 AU - E. A. Murray Y1 - 1965/01/01 UR - http://bjgp.org/content/9/1/45.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -