Bibliography
Filters: Keyword is Breast Neoplasms [Clear All Filters]
"Searching one or two databases was insufficient for meta-analysis of observational studies." J Clin Epidemiol. 2005;58(9):867-73. Abstract
"A systematic review of comparisons of effect sizes derived from randomised and non-randomised studies." Health Technol Assess. 2000;4(34):1-154. Abstract
