Orphanet Database - Lists the clinical signs of free sialic acid storage disease. - http://www.orpha.net/static/GB/free_sialic_acid_storage_disease.html
Salla Disease - Genzyme Corporation shows pictures of infants with Salla disease. - http://www.lysosomallearning.com/healthcare/about/lsd_hc_abt_salla.asp
Online Mendelian Inheritance in Man - Details of the state of knowledge of SASD, also known as Salla disease and as sialuria. - http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=604369