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  1. NLM Digital Collections - Index-catalogue of the Library of the Surgeon General's Office, National Library of Medicine .... 
    Publication: Washington : U.S. Dept. of Health, Education, and Welfare, Public Health Service : G.P.O., 1959-1961
    resource.nlm.nih.gov/8209737X3
    ... F., & Clewer, H. W. B. Tbe constituente of Rumex ecklonianus. London [1910] 11p. (Forms No. 101, Pub. ...