“…He reviewed the previous literature on congenital stridor, and suggested that stridor and dysphagia were due to congenital weakness in the framework of the introitus, the dysphagia resulting from secondary changes in the musculature. Schwartz (1953), in a paper on functional disorders of the larynx in infants, referred to the combination of congenital laryngeal stridor and dysphagia. Allen, Towsley, and Wilson (1954) described a child who developed stridor in response to various stimuli, such as swallowing.…”