by Maas, R.A., Komen, M., van Diepen, M., Oei, H.L., Claassen, I.J.T.M.
Published in Vaccine (04.07.2003)

by Maas, Riks A., Venema, Sandra, Oei, Hok L., Pol, Jan M. A., Claassen, Ivo J. T. M., ter Huurne, Agnes A. H. M.
Published in Avian pathology (01.08.2001)

by Maas, R.A, Winter, M.P.M. de, Venema, S, Oei, H.L, Claassen, I.J.T.M
Published in The Veterinary quarterly (01.10.2000)

by Maas, R.A, Oei, H.L, Venema-Kemper, S, Koch, G, Bongers, J
Published in Avian diseases (01.10.1999)

by Maas, R. A., Oei, H. L., Kemper, S., Koch, G., Visser, L.
Published in Avian pathology (1998)

by den Otter, W, Koten, J W, Maas, R A, DerKinderen, D J
Published in British journal of dermatology (1951) (01.01.1993)

by Aronsen, A, Maas Geesteranus, R.A
Published in Persoonia (1990)

by Maas, R.A, Oei, H.L, Kemper, S, Koch, G, Visser, L. (ID-DLO, Department of State Quality Control and Standardization, P.O. Box 65, 8200 AB Lelystad (Netherlands))
Published in Avian Pathology (United Kingdom) (1998)

by Maas Geesteranus, R.A
Published in Persoonia (1979)

by Maas Geesteranus, R.A
Published in Persoonia (1978)

by Maas Geesteranus, R.A
Published in Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. Series C: Biological and medical sciences (1984)

by Maas Geesteranus, R.A
Published in Persoonia (1988)

by Maas Geesteranus, R.A
Published in Proceedings - Nederlandse Akademie van Wetenschappen. Series C: Biological and medical sciences (1983)

by Maas Geesteranus, R.A
Published in Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. Series C: Biological and medical sciences (28.03.1988)

by Maas Geesteranus, R.A
Published in Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen : Series C : Biological and medical sciences (19.12.1988)

by Maas Geesteranus, R.A
Published in Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen : Series C : Biological and medical sciences (20.06.1988)

by Maas-Geesteranus, R.A
Published in Proceedings. Series C. Biological and medical sciences (1976)

by Maas Geesteranus, R.A
Published in Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. Series C: Biological and medical sciences (29.09.1986)

by Maas-Geesteranus, R.A
Published in Proceedings. Series C. Biological and medical sciences (1974)

by Aronsen, A, Maas Geesteranus, R.A
Published in Persoonia (1989)