(1) The patient would probably benefit from doing transbronchial biopsies with the lavage if that is the prime consideration.(2) Gastric lavage has been found to retrieve less than 30 percent of the toxin when performed one hour after ingestion.(3) Active core rewarming also can be accomplished by warm lavage of several body cavities.(4) Nasal lavage fluid levels of secretoneurin were measured by a radioimmunoassay, as described previously.(5) Nasal lavage and sputum induction were performed and processed as reported earlier.(6) Pulmonary compromise was induced by repeated normal saline solution lavage .