2015-04-102015-04-10https://dl.nsf.gov.lk/handle/1/18904Medical SciencesStudies on specific micro-organisms, beneficial micro-organisms and microbial contaminations in herbal preparations used in indigenous system of medicine in Sri Lanka with a view to defining on acceptable microbial quality and good manufacturing practiceUniversity of KelaniyaRG/2001/TM/01FR 1454