It sounds like you’re referring to a file named and calling it a “solid post.”
Unlike standard textbooks (e.g., Goldfrank's Toxicologic Emergencies or Olson's Poisoning & Drug Overdose ), this PDF is purely question-based. It operates on the principle of —the most evidence-based method for memorizing vast amounts of toxicological data. 2-000 Toxicology Board Review Questions.pdf