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Negative / Null Result ReportMedicine

Case Report: Pulmonary alveolar proteinosis and fibrosis associated with indium-tin-oxide exposure.

Li; Shi; Chen; Zhao; Wang; Yin; Feng; Tian · 2026 · Frontiers in medicine

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Pulmonary alveolar proteinosis (PAP) is a rare respiratory disorder characterized by the excessive accumulation of surfactant material on alveolar surfaces and the dysfunction of alveolar macrophages. Indium-tin-oxide (ITO), a substance…

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Metadata source: PubMed · DOI 10.3389/fmed.2026.1856204