(2013). The International Classification of Headache Disorders, 3rd edition (beta version). Cephalalgia, 33(9), 629. https://doi.org/10.1177/0333102413485658
Citace podle Chicago (17th ed.)"The International Classification of Headache Disorders, 3rd Edition (beta Version)." Cephalalgia 33, no. 9 (2013): 629. https://doi.org/10.1177/0333102413485658.
Citace podle MLA (9th ed.)"The International Classification of Headache Disorders, 3rd Edition (beta Version)." Cephalalgia, vol. 33, no. 9, 2013, p. 629, https://doi.org/10.1177/0333102413485658.
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