TY - RPRT TI - How to approach substance identification in qualitative bioanalysis. AU - J Hartstra AU - J P Franke AU - R A de Zeeuw PY - 2000 DO - 10.1016/s0378-4347(99)00427-2 UR - https://pubmed.ncbi.nlm.nih.gov/10744321/ ID - 10744321 ER -