Krenzien J, Röding H, & Rudtke B. (1990). [Perforated gastroduodenal ulcer. II. Risk analysis in the prognostic evaluation of the postoperative course]. Zentralblatt Fur Chirurgie, 115(8), 471-471.
ISO-690 (author-date, English)KRENZIEN J, RÖDING H und RUDTKE B, 1990. [Perforated gastroduodenal ulcer. II. Risk analysis in the prognostic evaluation of the postoperative course]. Zentralblatt fur Chirurgie. 1 Januar 1990. Vol. 115, no. 8, p. 471-471.
Modern Language Association 9th editionKrenzien J, Röding H, und Rudtke B. „[Perforated Gastroduodenal Ulcer. II. Risk Analysis in the Prognostic Evaluation of the Postoperative course].“. Zentralblatt Fur Chirurgie, Bd. 115, Nr. 8, Januar 1990, S. 471-.
Mohr Siebeck - Recht (Deutsch - Österreich)Krenzien J/Röding H/Rudtke B: [Perforated gastroduodenal ulcer. II. Risk analysis in the prognostic evaluation of the postoperative course]., Zentralblatt fur Chirurgie 1990, 471-471.
Emerald - HarvardKrenzien J, Röding H und Rudtke B. (1990), „[Perforated gastroduodenal ulcer. II. Risk analysis in the prognostic evaluation of the postoperative course].“, Zentralblatt Fur Chirurgie, Vol. 115 No. 8, S. 471-471.