title: Two brothers with presumed mucolipidosis IV.
mesh_terms: D000293:Adolescent; D000328:Adult; D001706:Biopsy; D003228:Conjunctiva / Q000473:pathology*; D003318:Corneal Opacity / Q000473:pathology; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D009081:Mucolipidoses / Q000145:classification / Q000235:genetics* / Q000473:pathology