TY - GEN AU - Sioufi,H A AU - Jacobson,M S TI - Normal reference laboratory values? SN - 0028-4793 PY - 1993///0119 KW - Clinical Laboratory Techniques KW - Humans KW - Reference Values N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1056/nejm199301143280217 ER -