Obturator sign (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Obturator sign" in English language version.

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1books.google.com

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archive.org

Silen, William (revised by) (2005). Cope's early diagnosis of the acute abdomen (21st ed.). Oxford: Oxford University Press. ISBN 0-19-517545-X.

books.google.com

Allan B Wolfson (2009). Harwood-Nuss' Clinical Practice of Emergency Medicine. Lippincott Williams & Wilkins. p. 1222. ISBN 978-0-7817-8943-1.

doi.org

Huang, Ih-Ping; Smith, C Daniel (August 2006). "Cope's Early Diagnosis of the Acute Abdomen, 21st Edition". Annals of Surgery. 244 (2): 322. doi:10.1097/01.sla.0000230276.84612.b4. PMC 1602170.

nih.gov

ncbi.nlm.nih.gov

Huang, Ih-Ping; Smith, C Daniel (August 2006). "Cope's Early Diagnosis of the Acute Abdomen, 21st Edition". Annals of Surgery. 244 (2): 322. doi:10.1097/01.sla.0000230276.84612.b4. PMC 1602170.