Content analysis: steps to a more precise coding procedure.
Lederman
R P
RP
University of Texas School of Nursing, Galveston.
D000043:Abstracting and Indexing / Q000379:methods*; D003627:Data Interpretation, Statistical; D001330:Electronic Data Processing; D006801:Humans; D015399:Nursing Research / Q000379:methods*; D015203:Reproducibility of Results; D012660:Semantics