twin studies meaning in Chinese

孪生子研究

A twin study of dental crowding on permanent dentition
恒牙列拥挤的双生子研究
A twin study of personality disorder heritability
人格障碍遗传度双生子研究
Genetic analysis of gonadotropin - gonadal axis in boys : a twin study
性腺轴激素遗传效应的双生子分析
A twin study on the relationship of eysenck personality and serum biochemical index
双生子艾森克人格与血液生化指标的相关性研究