@article{Price, author = {Price, Bronson}, title = {Primary Biases in Twin Studies. A Review of Prenatal and Natal Difference-producing Factors in Monozygotic Pairs}, series = {The American Journal of Human Genetics, Vol. 2 (No. 4, Dec. 1950), pp. 293-352.}, journal = {The American Journal of Human Genetics, Vol. 2 (No. 4, Dec. 1950), pp. 293-352.}, language = {en} }