TY - RPRT TI - Association tests using unaffected-sibling versus pseudo-sibling controls. AU - K D Siegmund AU - W J Gauderman AU - D C Thomas PY - 1999 DO - 10.1002/gepi.13701707120 UR - https://pubmed.ncbi.nlm.nih.gov/10597522/ ID - 10597522 ER -