最終更新日:2024/08/04
The principle that the frequency of x multiple births from natural pregnancies is approximately 1:89ˣ⁻¹.
正解を見る
Hellin's law
編集履歴(0)
The principle that the frequency of x multiple births from natural pregnancies is approximately 1:89ˣ⁻¹.
Hellin's law