%0 Journal Article %A GW Pennington %T Textbook of Endocrinology %D 1982 %R 10.1136/jcp.35.2.246-b %J Journal of Clinical Pathology %P 246-246 %V 35 %N 2 %U https://jcp.bmj.com/content/jclinpath/35/2/246.2.full.pdf