TY  - RPRT
TI  - Some critical issues in nursing research.
AU  - F S Downs
PY  - 1969
DO  - 10.1111/j.1744-6198.1969.tb01217.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5198351/
ID  - 5198351
ER  -