Lung Diseases - chemically induced, Guinea Pigs, Plant Extracts - pharmacology, Lung Diseases - prevention & control, Male, Trachea - drug effects, Mustard Gas - toxicity, Animals, Lung - drug effects, Nigella sativa - chemistry, Female, Leukocytes - drug effects, Bronchoalveolar Lavage Fluid - cytology, Seeds - chemistry, Chemical Warfare Agents - toxicity,...