TY  - RPRT
TI  - Nursing classification systems--discussion and future directions. Introduction.
AU  - M E Loomis
AU  - J Herman
DO  - 10.1016/s8755-7223(05)80143-7
UR  - https://pubmed.ncbi.nlm.nih.gov/2362063/
ID  - 2362063
ER  -