TY  - RPRT
TI  - Nursing research: problems of aim, method and content.
AU  - S Cang
PY  - 1979
DO  - 10.1111/j.1365-2648.1979.tb00878.x
UR  - https://pubmed.ncbi.nlm.nih.gov/256949/
ID  - 256949
ER  -