1. Induction of rest and sleep in the neonates by the rhythm of the maternal blood flow;Murooka, H.; Tsutoma, A.; Tsuyoshi, S.; Yusuo, I.; Mitsukazu, N.; Nobuhiro, S.;Nippon Ika Daigaku Zasshi,1975
2. The testing and comparison of the intra-uterine sound against other methods for calming babies;Callis, P.M.;Midwives Chronicle,1984
3. Sleep states in the newborn: influence of sound;Murray, B.; Campbell, D.;Neuropadiatrie,1971
4. The behavioural states of the newborn infant (a review);Prechtl, H.F.R.;Brain Res,1974
5. Behavioural inhibition in neonates produced by auditory stimuli;Birns, B.; Blank, M.; Bridger, W.H.;Child Dev,1965