Engell, V., Nielsen, J., Damborg, F., Kyvik, K. O., Thomsen, K., Pedersen, N. W., . . . Overgaard, S. (2014). Heritability of clubfoot: A twin study. Springer Berlin Heidelberg.

Engell, Vilhelm, Jan Nielsen, Frank Damborg, Kirsten Ohm Kyvik, Karsten Thomsen, Niels Wisbech Pedersen, Mikkel Andersen, and Søren Overgaard. Heritability of Clubfoot: A Twin Study. Springer Berlin Heidelberg, 2014.

Engell, Vilhelm, et al. Heritability of Clubfoot: A Twin Study. Springer Berlin Heidelberg, 2014.