机译:同卵双胞胎是否比异卵双胞胎和单胎具有更高的遗传质量?吸引力评级和自我报告的健康状况的提示
London Sch Econ & Polit Sci, Dept Management, Houghton St, London WC2A 2AE, England;
Calif State Univ Fullerton, Dept Psychol, Fullerton, CA 92634 USA;
Twin research; Monozygotic twin conception; Add Health;