TY - RPRT TI - Sources of variability in quantitative thallium analysis. AU - P T Makler AU - D M McCarthy AU - M G Velchik AU - A Alavi PY - 1985 DO - 10.1097/00004424-198511000-00007 UR - https://pubmed.ncbi.nlm.nih.gov/4077433/ ID - 4077433 ER -