Krahl, A; Schifferdecker, M (1998). "Carl Wernicke and the concept of "elementary symptom": A historical vignette". History of Psychiatry. 9 (36): 503–508. doi:10.1177/0957154X9800903605. PMID11623615. S2CID21416724.
Krahl, A; Schifferdecker, M (1998). "Carl Wernicke and the concept of "elementary symptom": A historical vignette". History of Psychiatry. 9 (36): 503–508. doi:10.1177/0957154X9800903605. PMID11623615. S2CID21416724.
Krahl, A; Schifferdecker, M (1998). "Carl Wernicke and the concept of "elementary symptom": A historical vignette". History of Psychiatry. 9 (36): 503–508. doi:10.1177/0957154X9800903605. PMID11623615. S2CID21416724.