Reference

Krueger, Charlene & Garvan, Cynthia. (2014). Emergence and retention of learning in early fetal development. Infant Behavior and Development. 37. 162–173. 10.1016/j.infbeh.2013.12.007.

https://www.researchgate.net/publication/260212543_Emergence_and_retention_of_learning_in_early_fetal_development