Instructions: Indicate the presence of numerical data in the abstract (whether numerical data plays a key role in medical records), solely using the information from the abstract.
Input: Abstract: Eight cases of suicidal isoniazid overdose by Cambodian refugees are reviewed. In all patients generalized seizures and metabolic acidosis developed. Treatment included supportive measures and intravenous pyridoxine hydrochloride. There were no deaths. Psychiatric evaluation of each patient revealed usual and extraordinary life and social adjustment stresses. Indochinese immigrants are a subpopulation at risk for isoniazid overdose. 
Question: Does the abstract contain any numerical data?
Output:
No