title: Intrapulmonary pretreatment by metal-fume components causing inhibition of delayed hypersensitivity.
mesh_terms: D000818:Animals; D002840:Chromates / Q000008:administration & dosage / Q000037:antagonists & inhibitors*; D004357:Drug Synergism; D005260:Female; D006168:Guinea Pigs; D006968:Hypersensitivity, Delayed / Q000139:chemically induced / Q000517:prevention & control*; D007267:Injections; D008168:Lung; D009532:Nickel / Q000008:administration & dosage / Q000037:antagonists & inhibitors*; D017680:Potassium Compounds; D014896:Welding
chemical_list: D002840:Chromates; D017680:Potassium Compounds; C029938:nickel sulfate; C027373:potassium chromate(VI); D009532:Nickel