TY - RPRT TI - A SECOND PARATHYROID HORMONE? AU - C N CRUICKSHANK AU - E A FAIRBURN AU - M D TROTTER PY - 1963 DO - 10.1136/bmj.2.5364.1009 UR - https://pubmed.ncbi.nlm.nih.gov/14059405/ ID - 14059405 ER -