Absent Fetal Movement Response with a Blunted Cardioacceleratory Fetal Response to External Vibratory Acoustic Stimulation in a Fetus with the Pena-Shokeir Syndrome (Fetal Akinesia and Hypokinesia Sequence) - Sherer, David M; Sanko, Stephan R; Metlay, Leon A; Woods, James R., Jr. (American Journal of Perinatology, 1992)