3952
We prospectively evaluated the incidence of venous complications after intravenous injection of diazepam or midazolam in 122 consecutive patients undergoing colonoscopy and esophagogastroduodenoscopy .
 Disease: venous complications; Chemical: diazepam; Chemical: midazolam
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:
 Disease: venous complications; Chemical: diazepam; Chemical: midazolam