[ Read by title, Bureau of Materia Medica, I.H.A., July 6, 1950]. HILARIO LUNA CASTRO, M.D.   Each drug stands as an independent unit whose characteristics have to be studied independently of those of any other drug. Hempel. SYNONYMS- Charthamus Maculatus, Cnicus Marianus, Circium Maculatum, Silybum Marianus, Milk Thistle, St. Marys Thistle, Cardo Lechero, Cardo … Read more