Text: Bauerstein was saying yesterday that, owing to the general ignorance of the more uncommon poisons among the medical profession, there were probably countless cases of poisoning quite unsuspected."
Entailment: Due to medical professionals being uninformed about many poisons, there were many instances where poisoning cases went undetected.
Contradiction: Medical professionals should be trusted implicitly, as they have all the knowledge they need, especially in matters of poisons.