“…Tihe affected members, II 1, II 3 and II 5, were all female and all suffered from primary chief cell hyperplasia of the parathyroids. Brief clinical details are recorded in the appendix; the cases are reported at greater length elsewhere (Adams, Chalmers, Peters, Rack -and Truscott, 1965). Serum calcium* and in some cases serum phosphate and alkaline phosphatase estimations were carried out on eight other members of the family (Table 1).…”