TY  - GEN
AU  - van der Tweel,I
AU  - Schipper,M
TI  - [Sequential analysis in clinical and epidemiological research]
SN  - 0028-2162
PY  - 2003///0324
KW  - Clinical Trials as Topic
KW  - Data Interpretation, Statistical
KW  - Epidemiologic Studies
KW  - Humans
KW  - Research Design
KW  - Sample Size
N1  - Publication Type: English Abstract; Journal Article; Review
ER  -