R. van der Ploeg

Hand-held myometry: reference values.

V. Fidler, H. Oosterhuis, H. Oosterhuis, 1991, Journal of neurology, neurosurgery, and psychiatry.

The "make/break test" as a diagnostic tool in functional weakness.

H. Oosterhuis, V. Ploeg, H. Oosterhuis, 1991, Journal of neurology, neurosurgery, and psychiatry.