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Journal Article SPASTIC DYSPHONIA (“INSPIRATORY SPEECH”) Get access MACDONALD CRITCHLEY MACDONALD CRITCHLEY Search for other works by this author on: Oxford Academic PubMed Google Scholar Brain, Volume 62, Issue 1, March 1939, Pages 96–103, https://doi.org/10.1093/brain/62.1.96 Published: 01 March 1939
Macdonald Critchley (Sun,) studied this question.