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  1. NLM Digital Collections - Chemical warfare agents and related chemical problems (Parts 1-2) 
    Publication: Washington, D.C. : Office of Scientific Research and Development, National Defense Research Committe, Division 9, 1946
    resource.nlm.nih.gov/14111270RX1
    ... ricin. Processes for the extraction of ricin from castor beans and cold-pressed castor bean pomace were the subject of laboratory and pilot ... bombs charged with phosgene. Processing all of the castor beans used in this coun- try (based on 1911- ...
  2. NLM Digital Collections - Chemistry for dental students (Volume 2) 
    Publication: London : John Wiley & Sons, Inc., 1923
    resource.nlm.nih.gov/50910170RX2
    ... from a Fig. 25. 270 EXPERIMENTS vegetable source,, castor beans, according to direction in the Appendix. Fat Digestion with Lipase {Castor Bean). — Grind with the powder,* in the order named, ...
  3. Antigens and Antibodies: Heidelberger and The Rise of Quantitative Immunochemistry, 1928-1954 | Michael Heidelberger - .... 
    https://profiles.nlm.nih.gov/spotlight/dh/feature/immunochemistry
    ... vaccine against ricin, the powerful toxin of the castor bean and a potential biological weapons agent, after the Japanese government had asked its citizens to grow castor beans (to obtain their oil for use as lubricants ...
  4. NLM Digital Collections - Index-catalogue of the Library of the Surgeon-General's Office, United States Army. Authors ... 
    Publication: Washington : G.P.O., 1880-1932
    resource.nlm.nih.gov/8104689X46
    ... M. L.). Analysis of the ash of the castor bean. Bio-Chem. Bull., N. Y., 1912-13, ii, ... F.). & Godfrey (G. H.). Bac- terial wilt of castor bean (Ricinus communis L.). J. Agric. Research, Wash., 1921- ...
  5. NLM Digital Collections - The pharmaceutical products of Frederick Stearns & Co 
    Publication: Detroit, Mich. : Frederick Stearns & Co., [1903]
    resource.nlm.nih.gov/100892352
    ... radicans Poison Oak. Richweed . . . Stone root. Ricinus communis Castor bean and leaves Robin’s Rye Haircap Moss. Rock Rose ...
  6. Castor oil overdose 
    https://medlineplus.gov/ency/article/002768.htm
    ... of significant toxin. Purified ricin derived from the castor bean is highly toxic and lethal in small doses.
  7. NLM Digital Collections - Nurses and nursing 
    Publication: Meadville, Pa. : Flood and Vincent, 1892
    resource.nlm.nih.gov/101509347
    ... atropia, belladonna, bloodroot, or san- guiiiaria Canadensis, Calabar bean, castor-oil vegetable plant, croton oil, digitalis, ergot, fish ...
  8. Tick bites: Learn More – What are ticks and how can they be removed? - InformedHealth.org - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK279240
    ... bodies can swell up quite a bit. The castor bean tick is the most commonly found tick in ...
  9. New RefSeq annotations are available! - NCBI Insights 
    https://ncbiinsights.ncbi.nlm.nih.gov/.../new-refseq-annotations-4
    ... argentea (silver malletwood) GCF_020921035.1 Ricinus communis (castor bean) GCF_019578655.1 Salvia hispanica (eudicot) GCF_023119035. ...
  10. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 940.800.575.912.250.350.650.300 Castor Bean B01.650.940.800.575.912.250.350. ...
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