Richards, ea 1998
Richards, F.M., Webster, A.R., McMahon, R., Woodward, E.R., Rose, S., and Maher, E.R. (1998) J. Intern. Med., 243, 527-533.
Richards, F.M., Webster, A.R., McMahon, R., Woodward, E.R., Rose, S., and Maher, E.R. (1998) J. Intern. Med., 243, 527-533.
