TY - RPRT TI - Separation of overlapping spectra from evolving systems using factor analysis. 4. Fluorescence spectra of hematoporphyrin IX. AU - C Chapados AU - D Girard AU - M Trudel AU - M Ringuet PY - 1995 DO - 10.1016/0301-4622(94)00152-a UR - https://pubmed.ncbi.nlm.nih.gov/7626746/ ID - 7626746 ER -