1. Notice to twin studies on the disease with the disease monozygotictwins than dizygotic twins rate of 4 to 6 times the height of the foster child as well.
有关孪生子的研究预告，本病单卵孪生的同病率比双卵孪生一般高4 ~6倍，寄养子也是如此。
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2. Notice to twin studies on the disease with the disease monozygotictwins than dizygotic twins rate of 4 to 6 times the height of the foster child as well.
