TY  - RPRT
TI  - Understanding sampling: representativeness matters.
AU  - J P Davis
AU  - I K Crombie
AU  - H T Davies
PY  - 2001
DO  - 10.12968/hosp.2001.62.4.2052
UR  - https://pubmed.ncbi.nlm.nih.gov/11338957/
ID  - 11338957
ER  -