"Square-wave stimuli" and neonatal auditory behavior: some comments on Ashton (1971), Hutt el al. (1968) and Lenard et al. (1969).
D000161:Acoustic Stimulation; D001307:Auditory Perception; D004432:Ear, Middle / Q000502:physiology; D006309:Hearing; D006801:Humans; D007231:Infant, Newborn; D011571:Psychoacoustics; D013016:Sound