K. Lakerveld-Heyl

The international classification of impairments, disabilities and handicaps in leprosy-control projects.

Y. Heerkens, J. Brandsma, K. Lakerveld-Heyl, 1992, Leprosy review.

Impairments and disabilities--the difference: proposal for adjustment of the International Classification of Impairments, Disabilities, and Handicaps.

Y. Heerkens, C. D. van Ravensberg, J. Brandsma, 1994, Physical therapy.

Reflection on the definition of impairment and disability as defined by the World Health Organization.

Y. Heerkens, C. D. van Ravensberg, J. Brandsma, 1995, Disability and rehabilitation.