TY  - GEN
AU  - de Craen,A J M
AU  - Westendorp,R G J
TI  - [The use of age as a variable in clinical research]
SN  - 0028-2162
PY  - 2006///0210
KW  - Age Distribution
KW  - Age Factors
KW  - Biomedical Research
KW  - statistics & numerical data
KW  - Humans
KW  - Life Expectancy
KW  - Mathematics
KW  - Statistics as Topic
KW  - Survival Analysis
N1  - Publication Type: English Abstract; Journal Article; Review
ER  -