natural Calculus bovis

A new method for identification of natural, artificial and in vitro cultured Calculus bovis using high-performance liquid chromatography-mass spectrometry

Liu Y, Tan P, Liu S, Shi H, Feng X, Ma Q. A new method for identification of natural, artificial and in vitro cultured Calculus bovis using high-performance liquid chromatography-mass spectrometry. Pharmacognosy Magazine [Internet]. 2015;11(42):304-310. https://www.ncbi.nlm.nih.gov/pubmed/25829769