E. Modderman

Labour manoeuvrability and economic performance: A test on township village enterprises in China

P. Nijkamp, C. Gorter, J. Dalhuisen, 2007 .

Labour Manoeuvrability and Economic Performance in Township-Village Enterprises: The Case of China

P. Nijkamp, C. Gorter, J. Dalhuisen, 2001 .

Rapid high-performance liquid chromatographic method for the determination of dapsone and monoacetyldapsone in biological fluids.

J. Zuidema, F. Merkus, E. Modderman, 1980, Journal of chromatography.

BVD virus in commercial fetal calf serum and 'normal' and aborted fetuses

E. Modderman, L. Smithies, 1976 .

Intramuscular injection of dapsone in therapy for leprosy: a new approach.

J. Zuidema, F. Merkus, D. L. Leiker, 1982, International journal of clinical pharmacology, therapy, and toxicology.

Sex differences in the absorption of dapsone after intramuscular injection.

J. Zuidema, F. Merkus, E. Modderman, 1983, International journal of leprosy and other mycobacterial diseases : official organ of the International Leprosy Association.