1. Flame spectrophotometry of calcium with reversed oxyacetylene flame;Loken;Anal. Chem.,1963
2. Some thoughts on the nature of ectopic parathyroid hormones;Roof;Am. J. Med.,1971
3. Berson and Yalow's radioimmunoassay for parathyroid hormone (PTH): A clinical progress report;Roof;Mt. Sinai J. Med. N.Y.,1973
4. Parathyroid function in uremic children with and without osteodystrophy;Roof;Pediatrics,1974
5. Immunoassay of bovine and human parathyroid hormone;Berson,1963