Gross, P. M. Chapter 31: Circumventricular organ capillaries. Circumventricular Organs and Brain Fluid Environment - Molecular and Functional Aspects. Progress in Brain Research 91. 1992: 219–33. ISBN 9780444814197. PMID 1410407. doi:10.1016/S0079-6123(08)62338-9.
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Gross, P. M. Chapter 31: Circumventricular organ capillaries. Circumventricular Organs and Brain Fluid Environment - Molecular and Functional Aspects. Progress in Brain Research 91. 1992: 219–33. ISBN 9780444814197. PMID 1410407. doi:10.1016/S0079-6123(08)62338-9.