Zellweger Spectrum Disorders Also known as: peroxisomal biogenesis disorders, Zellweger syndrome spectrum (ZSS), ZSDSubdivisions: Heimler syndrome, infantile Refsum disease, neonatal adrenoleukodystrophy, Zellweger syndrome
Zollinger-Ellison Syndrome Also known as: gastrinoma, pancreatic ulcerogenic tumor syndrome, ZES, Z-E syndrome