TY  - GEN
AU  - Annandale,E
TI  - Sampling in non-experimental research
SN  - 0029-6570
PY  - 1993///0701
KW  - Humans
KW  - Nursing Research
KW  - methods
KW  - Sampling Studies
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.7748/ns.7.28.34.s45
ER  -