Cita APA

Ghoos, Y., & Beaufrere, B. (1998). (13)C protein breath tests.

Citación estilo Chicago

Ghoos, Y., y B. Beaufrere. (13)C Protein Breath Tests. 1998.

Cita MLA

Ghoos, Y., y B. Beaufrere. (13)C Protein Breath Tests. 1998.