TY  - RPRT
TI  - [Nursing: theory, concepts, principles and process].
AU  - W de A Horta
PY  - 1974
DO  - 10.1590/0080-6234197400800100007
UR  - https://pubmed.ncbi.nlm.nih.gov/4498978/
ID  - 4498978
ER  -