Wusteman M., Elia M.: Effect of glutamine infusions on glutamine concentration and protein synthetic rate in rat muscle. JPEN15:521-525, 1991
2.
Freiman JA, Chalmers TC, Smith H., et al: The importance of beta, the type II error, and sample size in the design and interpretation of the randomized controlled trial-A survey of 71 "negative" trials. N Engl J Med299:690-694, 1978
