title: A simple device for ultrafiltration of serum under controlled pH.
abstract: A simple device for the production of serum ultrafiltrates under controlled conditions of pH is described. The device has been tested for the values obtained in normal human subjects are reported.
mesh_terms: D002118:Calcium / Q000097:blood*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D012016:Reference Values; D014462:Ultrafiltration / Q000295:instrumentation
chemical_list: D002118:Calcium