FayR.: Calculus disease of upper urinary tract in San Francisco Chinese. Urology, 18; 123–126 (1981).
7.
RemziD.: Urolithiasis in childhood. J. Med. (NY), 11; 439–447 (1980).
8.
RobertsonW. G., PeacockM., HeyburnP. J., MarshallD. H., ClarkP. B.: Risk factors in calcium stone disease of the urinary tract. Brit. J. Urol., 50; 449–454 (1978).