Smith, B., & Prockop, D. J. (1962). Central-nervous-system effects of ingestion of L-tryptophan by normal subjects. The New England journal of medicine, 267, 1338. https://doi.org/10.1056/NEJM196212272672603
Citace podle Chicago (17th ed.)Smith, B., a D J. Prockop. "Central-nervous-system Effects of Ingestion of L-tryptophan by Normal Subjects." The New England Journal of Medicine 267 (1962): 1338. https://doi.org/10.1056/NEJM196212272672603.
Citace podle MLA (9th ed.)Smith, B., a D J. Prockop. "Central-nervous-system Effects of Ingestion of L-tryptophan by Normal Subjects." The New England Journal of Medicine, vol. 267, 1962, p. 1338, https://doi.org/10.1056/NEJM196212272672603.
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