"National Down Syndrome Society Conference on the Psychobiology of Down Syndrome (1987 : Nova York, N.Y.)" . . . "Down, Síndrome de Congresos." . . "Psicobiologia." . . "National Down Syndrome Society Conference on the Psychobiology of Down Syndrome :" . . "National Down syndrome society." . . "Aufsatzsammlung." . . "Développement verbal." . . "Trisomiques 21 Langage Congrès." . . "Trisomiques 21 Études longitudinales Congrès." . . . "Kongress (New York, 1987)" . . . . "Conference proceedings"@en . "Aufsatzsammlung" . . . . "The psychobiology of Down syndrome : [based on papers presented at the National Down Syndrome Society Conference on the Psychobiology of Down Syndrome, held in New York in Dec. 1987]" . . . . . "The psychobiology of down syndrome : based on papers presented at the National Down Syndrome Society Conference on the Psychobiology of the Down Syndrome, held in New York in Dec., 1987" . "The Psychobiology of Down syndrome" . "The Psychobiology of Down syndrome"@en . . . "Kongress" . . . "The psychobiology of down syndrome" . . . . "The psychobiology of Down syndrome"@en . "Congrès" . "The psychobiology of Down syndrome" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Conference papers and proceedings" . . "Conference papers and proceedings"@en . . . . . . . . . . "The Psychobiology of Down syndrome : Conference : Papers"@en . . "mongolisme." . . "Psychologie." . . "trisomie [congrès]" . . "Psychobiologie." . . "Mongolisme Psychologie." . . "National Down Syndrome Society Conference on the Psychobiology of Down Syndrome, ( 1987. New York)" . . . "Down, Syndrome de Congrès." . . "National Down Syndrome Society (Estados Unidos)" . . "Conference on the Psychobiology of Down Syndrome (1987 : New York)" . . . "Down, Syndrome Patients Langage Congrès." . . "Trisomie 21 Physiopathologie Congrès." . . "Infants disminuïts psíquics." . . . . "Kongress." . . "Down-Syndrom." . . "Enfants Psychiatrie." . . "Down Syndrome psychology Congresses." . . "Down, Syndrome de Patients Études longitudinales Congrès." . . "National Down Syndrome Society Conference on the Psychobiology of Down Syndrome (1987 : New York, N.Y.)" . . . "Disminuídos mentales." . . "Psychobiologie Congrès." . . "Trisomie 21 Psychologie Congrès." . . "National Down Syndrome Society Conference on the psychobiology of Down Syndrome (New York : 1987)" . . . "Physiologische Psychologie." . . "Síndrome de down." . . "Language Development Congresses." . .