"The Interrelationship of iron and certain accessory factors in the growth of Rhizobium trifolii, strain 205."; "Lilly, Virgil Greene, b. 1900.", "Leonian, Leon H. (Leon Hatchig), 1888-1945."; "Rhizobium trifoli.", "Iron."; "Lilly, Virgil Greene, b. 1900.", "Leonian, Leon H. (Leon Hatchig), 1888-1945."; "1945"; "Journal article reprint from: Journal of Bacteriology, v.50:no.4 (1945:Oct.)."; ""; "P17779"; "pec"; "Iron.", "Rhizobium trifoli."; "14256"; .