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Infants were assigned to the cocaine - exposed group if there was a maternal history of cocaine abuse during pregnancy or if maternal or neonatal urine toxicology results were positive at the time of delivery .
 Chemical: cocaine; Disease: cocaine abuse
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: cocaine; Disease: cocaine abuse