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cardiographer1885
electroencephalographer1941
electroencephalographist1941
ultrasonologist1971
echocardiographer1977
sigmoidoscopist1977
ultrasonographer1979
1977 Lancet 29 Oct. 893/2 The sigmoidoscopist was not able to recognise the type of enema a patient was receiving by the sigmoidoscopic appearances on the morning after an overnight retention enema.