Zimmerman, E., E. McMahon, L. Doheny, P. Levine, and A. Lahav. “Transmission of Biological Maternal Sounds Does Not Interfere With Routine NICU Care: Assessment of Dose Variability in Very Low Birth Weight Infants”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM), vol. 1, no. 1, Oct. 2012, pp. 73-80, doi:10.7363/010107.