1. Auditory experience in the fetus;Fifer,1988
2. Characteristics of the fetal sheep sound environment;Gerhardt;Semin Perinatol,1989
3. Fetal audition;Busnel,1992
4. Intrauterine noise: A component of the fetal environment;Walker;Am J Obstet Gynecol,1971
5. Sound levels in the human uterus;Richards;Obstet Gynecol,1992