Genetic analysis of treated and untreated phenylketonuria in one family.Linda Tyfield, Peter S. Harper, Tom Chambers et al.|Journal of Medical Genetics|1990Cited by 8
Identification of the haplotype pattern associated with the mutant PKU allele in the Gypsy population of Wales.Linda Tyfield, Peter S. Harper, Andrea L. Meredith et al.|Journal of Medical Genetics|1989Cited by 7