TY - JOUR AU - Prada-Ramallal, Guillermo AU - Takkouche, Bahi AU - Figueiras, Adolfo PY - 2019 DA - 2019/03/11 TI - Bias in pharmacoepidemiologic studies using secondary health care databases: a scoping review JO - BMC Medical Research Methodology SP - 53 VL - 19 IS - 1 AB - The availability of clinical and therapeutic data drawn from medical records and administrative databases has entailed new opportunities for clinical and epidemiologic research. However, these databases present inherent limitations which may render them prone to new biases. We aimed to conduct a structured review of biases specific to observational clinical studies based on secondary databases, and to propose strategies for the mitigation of those biases. SN - 1471-2288 UR - https://doi.org/10.1186/s12874-019-0695-y DO - 10.1186/s12874-019-0695-y ID - Prada-Ramallal2019 ER -