Hubble, J. P., Weeks, C. C., Nance, M., Watts, R. L., Koller, W. C., Stern, M. B., … Pericak-Vance, M. A. (1999). Parkinson's disease: Clinical features in sibships. In NEUROLOGY (Vol. 52, pp. A13–A13). LIPPINCOTT WILLIAMS & WILKINS.

Hubble, J. P., C. C. Weeks, M. Nance, R. L. Watts, W. C. Koller, M. B. Stern, A. Colcher, et al. “Parkinson's disease: Clinical features in sibships.” In NEUROLOGY, 52:A13–A13. LIPPINCOTT WILLIAMS & WILKINS, 1999.

Hubble JP, Weeks CC, Nance M, Watts RL, Koller WC, Stern MB, et al. Parkinson's disease: Clinical features in sibships. In: NEUROLOGY. LIPPINCOTT WILLIAMS & WILKINS; 1999. p. A13–A13.

Hubble, J. P., et al. “Parkinson's disease: Clinical features in sibships.” NEUROLOGY, vol. 52, no. 6, LIPPINCOTT WILLIAMS & WILKINS, 1999, pp. A13–A13.

Hubble JP, Weeks CC, Nance M, Watts RL, Koller WC, Stern MB, Colcher A, Ondo W, Jankovic J, Goetz C, Pappart E, Scott WK, Stajich JM, Scott BL, Vance JM, Pericak-Vance MA. Parkinson's disease: Clinical features in sibships. NEUROLOGY. LIPPINCOTT WILLIAMS & WILKINS; 1999. p. A13–A13.