Classification

MUSIC2 definitions
MW4 definitions
NAO2 definitions
NBER
NCD7 definitions
NEC7 definitions
NIC5 definitions
NLN2 definitions
NOC2 definitions
NRI3 definitions
Nx
NYHA
NYHA-FC
OBAFGKMRNS
ODA2 definitions
OPCRIT
OPCS
PACD3 definitions
PAM15 definitions
PC42 definitions