TY - RPRT TI - When kin correlations are not squared. AU - T J Bouchard AU - D T Lykken AU - M McGue AU - N Segal AU - A Tellegen PY - 1990 DO - 10.1126/science.2274774 UR - https://pubmed.ncbi.nlm.nih.gov/2274774/ ID - 2274774 ER -