Buhr, H. J., & Herfarth, C. (1994). Der endoanale Ultraschall. Der Chirurg, 65, .
Chicago Style (17th ed.) CitationBuhr, Heinz J., and Christian Herfarth. "Der Endoanale Ultraschall." Der Chirurg 65 (1994).
MLA (9th ed.) CitationBuhr, Heinz J., and Christian Herfarth. "Der Endoanale Ultraschall." Der Chirurg, vol. 65, 1994.
Warning: These citations may not always be 100% accurate.