http://www.nlm.nih.gov/medlineplus/ency/article/000364.htm Pseudohypoparathyroidism http://www.nlm.nih.gov/medlineplus/ency/article/000364.htm MedlinePlus MedlinePlus pseudohypoparathyroidism Pseudohypoparathyroidism MedlinePlus pseudohypoparathyroidism