Gaya APA

[et.al], S, J, W. (2013). Between-assay variability of faecal calprotectin enzyme-linked immunosorbent assay kits . : SAGE Publications Ltd.

Gaya MLA

[et.al], S, J, Whitehead. "Between-assay variability of faecal calprotectin enzyme-linked immunosorbent assay kits". : SAGE Publications Ltd, 2013. e-journal.