title: Rooting out new drugs.
mesh_terms: D006511:Hepatitis B Antigens / Q000378:metabolism; D006801:Humans; D018527:Hydroponics; D004364:Pharmaceutical Preparations / Q000378:metabolism*; D063245:Plant Development; D018517:Plant Roots / Q000378:metabolism*; D010944:Plants / Q000737:chemistry*; D030821:Plants, Genetically Modified; D011994:Recombinant Proteins / Q000378:metabolism