TY - JOUR AU - Henry, R J; Segalove, M TI - The running of standards in clinical chemistry and the use of the control chart JO - J Clin Pathol IS - 04 VL - 5 PY - 1952 DO - 10.1136/jcp.5.4.305 L3 - PubMed-ID: 13011214 SP - 305 EP - 311 ER -