{{sfn | Walker | Jara | 2008 | p=}}

* {{cite book | last=Walker | first=Sara E. | last2=Jara | first2=Luis J. | title=Endocrine Manifestations of Systemic Autoimmune Diseases | publisher=Elsevier Science Limited | publication-place=Amsterdam Boston | date=2008 | isbn=978-0-444-53172-8}}

<ref name="p279">{{cite book | last=Walker | first=Sara E. | last2=Jara | first2=Luis J. | title=Endocrine Manifestations of Systemic Autoimmune Diseases | publisher=Elsevier Science Limited | publication-place=Amsterdam Boston | date=2008 | isbn=978-0-444-53172-8 | page=}}</ref>