RT Journal Article SR Electronic T1 Pseudoxanthoma elasticum (Grönblad-Strandberg syndrome). JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 488 OP 490 DO 10.1136/jmg.25.7.488 VO 25 IS 7 A1 D Viljoen YR 1988 UL http://jmg.bmj.com/content/25/7/488.abstract AB