Guidance Document on Histopathology for Inhalation Toxicity Studies, Supporting TG 412 (Subacute Inhalation Toxicity: 28‑day Study) and TG 413 (Subchronic Inhalation Toxicity: 90‑day Study)

The purpose of this Guidance Document (GD) is to provide pathologists, toxicologists, and associated scientists with recommended guidelines for performing the pathology tasks required by the specifications of TG 412 and 413, and for optimising the value of pathology-related tasks in these studies. This document is structured to follow the...