by Stock, Stephanie, Drabik, Anna, Büscher, Guido, Graf, Christian, Ullrich, Walter, Gerber, Andreas, Lauterbach, Karl W, Lüngen, Markus
Published in Health Affairs (01.12.2010)

by Claessen, Heiner, Narres, Maria, Haastert, Burkhard, Arend, Werner, Hoffmann, Falk, Morbach, Stephan, Rümenapf, Gerhard, Kvitkina, Tatjana, Friedel, Heiko, Günster, Christian, Schubert, Ingrid, Ullrich, Walter, Westerhoff, Benjamin, Wilk, Adrian, Icks, Andrea
Published in Clinical epidemiology (01.01.2018)

by Ullrich, Walter J
Published in Teaching and teacher education (1992)

by Ullrich, Walter J., Yeamen, John T.
Published in Middle school journal (01.09.1999)

by Claessen, Heiner, Narres, Maria, Haastert, Burkhard, Arend, Werner, Hoffmann, Falk, Morbach, Stephan, Rumenapf, Gerhard, Kvitkina, Tatjana, Friedel, Heiko, Gunster, Christian, Schubert, Ingrid, Ullrich, Walter, Westerhoff, Benjamin, Wilk, Adrian, Icks, Andrea
Published in Clinical epidemiology (01.01.2018)

by Ullrich, Walter
Published in Teaching education (Columbia, S.C.) (01.03.1999)

by Ullrich, Walter, Roessler, Memry
Published in Teaching education (Columbia, S.C.) (01.06.1997)

by Shaker, Paul, Ullrich, Walter
Published in Journal of Teacher Education (1987)