TY  - RPRT
TI  - Toward developing theory in nursing.
AU  - J L Sasmor
PY  - 1968
DO  - 10.1111/j.1744-6198.1968.tb00388.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5185681/
ID  - 5185681
ER  -