| Description | Contains offprints of the articles:
"Phenylketonuria: Detection of the Heterozygous Carrier" by David Y-Y Hsia and Richmond S Paine, published in the Journal of Mental Deficiency Research, volume 1, part 1, July 1957;
"Detection of the Heterozygous Carriers of Phenylketonuria" by David Y-Y Hsia and Kathleen W Driscoll, published in The Lancet, 29 December 1956;
"Detection by Phenylalanine Tolerance Tests of Heterozygous Carriers of Phenylketonuria", by David Y-Y Hsia and Kathleen W Driscoll, published in Nature, volume 178, 1 December 1956. |