TY - RPRT TI - Analysis of clinical laboratory data by biplot methods using a three-dimensional display: discrimination of renal stone-patients with idiopathic hypercalciuria and primary hyperparathyroidism. AU - W Tschöpe AU - H Schmidt-Gayk AU - E Ritz AU - E Weber AU - J Berger PY - 1979 DO - 10.1016/0020-7101(79)90006-0 UR - https://pubmed.ncbi.nlm.nih.gov/385510/ ID - 385510 ER -