TY - GEN AU - Ward,Michael M TI - Estimating rare disease prevalence from administrative hospitalization databases SN - 1044-3983 PY - 2005///0510 KW - California KW - epidemiology KW - Databases, Factual KW - Hospitalization KW - statistics & numerical data KW - Humans KW - Prevalence KW - Rare Diseases KW - Reproducibility of Results KW - Sensitivity and Specificity N1 - Publication Type: Evaluation Study; Letter UR - https://doi.org/10.1097/01.ede.0000153643.88019.92 ER -