1966 and all that-when is a literature search done?
McLellan
F
F
D001634:Bibliographies as Topic; D015706:Bibliometrics; D018738:Hexamethonium / Q000009:adverse effects*; D006801:Humans; D008171:Lung Diseases / Q000139:chemically induced*; D016239:MEDLINE; D012107:Research Design / Q000592:standards*; D013997:Time Factors; D014481:United States
D018738:Hexamethonium