Toxicology reports later indicated the presence of synthetic cannabinoids in his system .
之后，毒理学报告显示，他的体内含有合成大麻素。
The results of toxicology tests may take several weeks .
而毒物学检验的结果可能要等上数周。
He explained that they are used to test new drugs for their effectiveness , toxicology and dosage before the medications are administered to humans .
他解释说它们在药物用于人类之前用来测试新药的有效性，毒理学和剂量。
A spokesman for the los angeles county coroner 's office said the cause of death would be released if it could be definitively established , but warned that toxicology tests could take several days , if not weeks .
Forensics also uses toxicology , where analytical chemistry , pharmacology and clinical chemistry to aid medical or legal investigation of death , poisoning , and drug use .
