296,493 SUSTAINED Sustained release theophyllines : factors influencing disposition and therapeutic effect : Proceedings of a symposium held at Koln, West Germany on 13th April, 1984 / sponsored by Fisons Pharmaceuticals, Loughborough ; ed. C. J. L. Newt, A. Holland. - [London : Medical News Tribune Group, 1984]. — VI, XXXII, 78 s. : wykr. ; 26 cm British Journal of Clinical Practice ; suppl. 35 ISSN 0007-0947