290,637 BICKEL HORST Phenylketonuria in adolescence : International Symposium on the Advaces in the management of PKU / which was held in Brussels, Belgium in October 1986, are dedicated to prof. dr. med. Dr. h. c. Horst Bickel/. — Heidelberg : Springer International, 1987. — 6, 43 s. : wykr. ; 28 cm (European Jouranl of Paediatrics, ISSN 0340-6199 ; suppl. 1 to vol. 146)