R. D. Graaf

发表

A. Schwartz, R. D. Graaf, 1993, Journal of Molecular Evolution.

A. Schwartz, R. D. Graaf, 2005, Origins of Life and Evolution of Biospheres.

F. Gabreëls, E. Joosten, H. Vingerhoets, 1993, Journal of the Neurological Sciences.

A. Schwartz, R. D. Graaf, J. Visscher, 1995, Nature.

R. D. Graaf, J. V. Druten, F. Heessen, 1984, European Journal of Clinical Microbiology.

R. D. Graaf, E. Colon, S. Notermans, 1979, Journal of Neurology.