Barbeito, A., Schultz, J., Muir, H., Dwane, P., Olufolabi, A., Breen, T., … Spahn, T. (2002). ASA physical, status classification - A pregnant pause. ANESTHESIOLOGY, U63–U63.

Barbeito, A., J. Schultz, H. Muir, P. Dwane, A. Olufolabi, T. Breen, A. Habib, S. Millar, S. Drysdale, and T. Spahn. “ASA physical, status classification - A pregnant pause.” ANESTHESIOLOGY, April 1, 2002, U63–U63.

Barbeito A, Schultz J, Muir H, Dwane P, Olufolabi A, Breen T, et al. ASA physical, status classification - A pregnant pause. ANESTHESIOLOGY. 2002 Apr 1;U63–U63.

Barbeito, A., et al. “ASA physical, status classification - A pregnant pause.” ANESTHESIOLOGY, LIPPINCOTT WILLIAMS & WILKINS, Apr. 2002, pp. U63–U63.

Barbeito A, Schultz J, Muir H, Dwane P, Olufolabi A, Breen T, Habib A, Millar S, Drysdale S, Spahn T. ASA physical, status classification - A pregnant pause. ANESTHESIOLOGY. LIPPINCOTT WILLIAMS & WILKINS; 2002 Apr 1;U63–U63.