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Guidelines for single-unit packages of drugs approved by the Board of Directors, American Society of Hospital Pharmacists December 2, 1966. American Journal of Health-System Pharmacy. 1967-02-01, roč. 24, čís. 2, s. 79–80. Dostupné online [cit. 2019-01-25]. ISSN1079-2082. doi:10.1093/ajhp/24.2.79.
LEPROULT, Rachel; CAUTER, Eve Van. Effect of 1 Week of Sleep Restriction on Testosterone Levels in Young Healthy Men. JAMA. 2011-06-01, roč. 305, čís. 21, s. 2173–2174. Dostupné online [cit. 2020-05-25]. ISSN0098-7484. doi:10.1001/jama.2011.710. (anglicky)
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LEPROULT, Rachel; CAUTER, Eve Van. Effect of 1 Week of Sleep Restriction on Testosterone Levels in Young Healthy Men. JAMA. 2011-06-01, roč. 305, čís. 21, s. 2173–2174. Dostupné online [cit. 2020-05-25]. ISSN0098-7484. doi:10.1001/jama.2011.710. (anglicky)
SEFTEL, Allen D. Re: Testosterone Products: Drug Safety Communication – FDA Cautions about Using Testosterone Products for Low Testosterone due to Aging; Requires Labeling Change to Inform of Possible Increased Risk of Heart Attack and Stroke. Journal of Urology. 2015-09, roč. 194, čís. 3, s. 759–760. Dostupné online [cit. 2019-01-25]. ISSN0022-5347. doi:10.1016/j.juro.2015.06.058.
Guidelines for single-unit packages of drugs approved by the Board of Directors, American Society of Hospital Pharmacists December 2, 1966. American Journal of Health-System Pharmacy. 1967-02-01, roč. 24, čís. 2, s. 79–80. Dostupné online [cit. 2019-01-25]. ISSN1079-2082. doi:10.1093/ajhp/24.2.79.