TY - RPRT TI - Modelling study quality in meta-analysis. AU - D Tritchler PY - 1999 DO - 10.1002/(sici)1097-0258(19990830)18:16<2135::aid-sim183>3.0.co;2-5 UR - https://pubmed.ncbi.nlm.nih.gov/10441769/ ID - 10441769 ER -