1. Studies on phenylketonuria. II. The excretion of o-hydroxyphenylacetic acid in phenylketonuria;Armstrong, M.D.; Shaw, K.N.F.; Robinson, K.S.;Journal of Biological Chemistry,1955
2. A simple spot screening test for galactosemia;Beutler, E.; Baluda, M.C.;Journal of Laboratory and Clinical Medicine,1966
3. Influence of phenylalanine intake on phenylketonuria;Bickel, H.; Gerrard, J.; Hickmans, E.M.;Lancet,1953
4. A simple phenylalanine method for detecting phenylketonuria in large populations of newborn infants;Guthrie, R.; Susi, A.;Pediatrics,1963
5. A thin layer chromatographic method for use in neonatal screening to detect excess amino acidaemia;Ireland, J.T.; Read, R.A.;Annals of Clinical Biochemistry,1972