Okano Y.,1991c
Okano Y., Eisensmith R.C., Guttler F., Lichter-Konecki U., Konecki D.S., Trefz F.K., Dasovich M., Wang T., Henriksen K., Lou H., Woo S.L.C. Molecular basis of phenotypic heterogeneity in phenylketonuria. - The N.Eng.J.Med., 1991, v. 18, p. 1232-1238.