| The following references may be useful when improving this article in the future:
- Berendse, Kevin; Engelen, Marc; Ferdinandusse, Sacha; Majoie, Charles B. L. M.; Waterham, Hans R.; Vaz, Frédéric M.; Koelman, Johannes H. T. M.; Barth, Peter G.; Wanders, Ronald J. A.; Poll-The, Bwee Tien (19 August 2015). "Zellweger spectrum disorders: clinical manifestations in patients surviving into adulthood". Journal of Inherited Metabolic Disease. 39 (1): 93–106. doi:10.1007/s10545-015-9880-2. PMC 4710674. PMID 26287655.
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