Models for the study of inborn errors of metabolism : proceedings of an International Symposium on Models for the Study of Inborn Errors of Metabolism held in Eernewoude, the Netherlands, 18-21 October, 1978 - Hommes, F. A. (Frits A.) (Elsevier/North-Holland Biomedical Press ; sole distributors for the USA and Canada, Elsevier North-Holland, 1979)