BONGERS, E., VAN BOKHOVEN, H., VAN THIENEN, M., KOOYMAN, M., VAN BEERSUM, S. E. C., BOETES, C., . . . HAMEL, B. (2001). The small patella syndrome: Description of five cases from three families and examination of possible allelism with familial patella aplasia-hypoplasia and nail-patella syndrome. BMJ Group.

BONGERS, E., H. VAN BOKHOVEN, M.-N VAN THIENEN, M. KOOYMAN, S. E C. VAN BEERSUM, C. BOETES, N. KNOERS, ja B. HAMEL. The Small Patella Syndrome: Description of Five Cases From Three Families and Examination of Possible Allelism With Familial Patella Aplasia-hypoplasia and Nail-patella Syndrome. BMJ Group, 2001.

BONGERS, E., et al. The Small Patella Syndrome: Description of Five Cases From Three Families and Examination of Possible Allelism With Familial Patella Aplasia-hypoplasia and Nail-patella Syndrome. BMJ Group, 2001.