Metaphrase: an aid to the clinical conceptualization and formalization of patient problems in healthcare enterprises - Tuttle, MS; Olson, NE; Keck, KD; Cole, WG; Erlbaum, MS; Sherertz, DD; Chute, CG; Elkin, PL; Atkin, GE; Kaihoi, BH; Safran, C; Rind, D; Law, V (Meth Inf Med, 1998)