APA

Silk D. B., Fairclough P. D., Clark M. L., Hegarty J. E., Marrs T. C., Addison J. M., Burston D., Clegg K. M. & Matthews D. M. (19810421). Use of a peptide rather than free amino acid nitrogen source in chemically defined "elemental" diets. : JPEN. Journal of parenteral and enteral nutrition.

Chicago

Silk D B, Fairclough P D, Clark M L, Hegarty J E, Marrs T C, Addison J M, Burston D, Clegg K M and Matthews D M. 19810421. Use of a peptide rather than free amino acid nitrogen source in chemically defined "elemental" diets. : JPEN. Journal of parenteral and enteral nutrition.

Harvard

Silk D. B., Fairclough P. D., Clark M. L., Hegarty J. E., Marrs T. C., Addison J. M., Burston D., Clegg K. M. and Matthews D. M. (19810421). Use of a peptide rather than free amino acid nitrogen source in chemically defined "elemental" diets. : JPEN. Journal of parenteral and enteral nutrition.

MLA

Silk D B, Fairclough P D, Clark M L, Hegarty J E, Marrs T C, Addison J M, Burston D, Clegg K M and Matthews D M. Use of a peptide rather than free amino acid nitrogen source in chemically defined "elemental" diets. : JPEN. Journal of parenteral and enteral nutrition. 19810421.