APA ציטוט

Holzer, P. (2009). Opioid receptors in the gastrointestinal tract.

Citação norma Chicago

Holzer, Peter. Opioid Receptors in the Gastrointestinal Tract. 2009.

ציטוט MLA

Holzer, Peter. Opioid Receptors in the Gastrointestinal Tract. 2009.