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https://pmc.ncbi.nlm.nih.gov/articles/PMC11052031/ Unlocking the Therapeutic Potential of Freshwater Sapropel Extracts: In Vitro Analysis and... Background and Objective: Sapropel, a biologically active sedimentary deposit, is high in organic matter and minerals and has been shown to offer health... in vitro analysistherapeutic potential https://www.wikidata.org/wiki/Q49255176 In vitro analysis of the homing properties of human lymphocytes: developmental regulation of... scientific article published in September 1985 in vitro analysisof the