TY - RPRT TI - ON A TEST FOR BIRTH-ORDER EFFECT WHEN SEVERAL ABNORMALITIES ARE PRESENT. AU - B M BENNETT PY - 1963 DO - 10.1111/j.1469-1809.1963.tb00775.x UR - https://pubmed.ncbi.nlm.nih.gov/14059284/ ID - 14059284 ER -