TY - GEN AU - Zeegers,M P AU - Heisterkamp,S H AU - Kostense,P J AU - van der Windt,D A AU - Scholten,R J TI - [Practice of systematic reviews. VII. Pooling of results from observational studies] SN - 0028-2162 PY - 2000///0825 KW - Confounding Factors, Epidemiologic KW - Data Interpretation, Statistical KW - Humans KW - Meta-Analysis as Topic KW - Observation KW - Random Allocation KW - Research Design KW - standards N1 - Publication Type: Journal Article ER -