TY  - GEN
AU  - Levin,Rona F
TI  - Levels, grades, and strength of evidence: "What's it all about, Alfie?"
SN  - 1541-6577
PY  - 2014///0602
KW  - Evidence-Based Nursing
KW  - Nursing Research
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1891/1541-6577.28.1.5
ER  -