PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3736882-3 1986 In the patient studied, methaqualone withdrawal was manifested by myoclonic and tonic-clonic seizures, an EEG photoparoxysmal response (PPR), and a high-amplitude visual evoked potential (VEP) to pattern-reversal stimuli. Methaqualone 24-36 PPR1 Homo sapiens 136-139