Sandefeldt, E., Cummings, J. F., de Lahunta, A., Björck, G., & Krook, L. P. (1976). Animal model of human disease. Infantile spinal muscular atrophy, Werdnig-Hoffman disease. Animal model: Hereditary neuronal abiotrophy in Swedish Lapland dogs.

Sandefeldt, E., J. F. Cummings, A. de Lahunta, G. Björck, và L. P. Krook. Animal Model of Human Disease. Infantile Spinal Muscular Atrophy, Werdnig-Hoffman Disease. Animal Model: Hereditary Neuronal Abiotrophy in Swedish Lapland Dogs. 1976.

Sandefeldt, E., et al. Animal Model of Human Disease. Infantile Spinal Muscular Atrophy, Werdnig-Hoffman Disease. Animal Model: Hereditary Neuronal Abiotrophy in Swedish Lapland Dogs. 1976.