n :  a rare genetic disorder characterized esp. by hypercalcemia of infants, heart defects (as supravalvular aortic stenosis), mild to moderate mental retardation, and a facies (as broad forehead, depressed bridge of the nose, upturned nose, wide mouth, full lips, and pointed chin) resembling an elf
 
Williams, J. C. P. (fl 1961), New Zealand cardiologist. Williams was the principal author on a 1961 article on supravalvular aortic stenosis, with B. G. Barratt-Bayes and J. B. Lowe listed as secondary authors.
 
 
 
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