TY - RPRT TI - Reference materials and environmental specimen banking. AU - S J Reddy AU - M Froning AU - C Mohl AU - P Ostsapczuk PY - 1993 DO - 10.1016/0048-9697(93)90041-4 UR - https://pubmed.ncbi.nlm.nih.gov/8272849/ ID - 8272849 ER -