APA aipamena

Langman, M. J., & Henry, D. (1980). Indomethacin and perforated duodenal ulcer.

Chicago Style aipamena

Langman, M J., and D. Henry. Indomethacin and Perforated Duodenal Ulcer. 1980.

MLA aipamena

Langman, M J., and D. Henry. Indomethacin and Perforated Duodenal Ulcer. 1980.