4923
Choline acetyltransferase immunohistochemistry combined with the retrograde transport of horseradish peroxidase showed that the reticular and mediodorsal thalamic nuclei of the cat receive an important input from cholinergic and non - cholinergic neurons of substantia innominata and adjacent structures in the basal forebrain .
 GENE: Choline acetyltransferase; GENE: horseradish peroxidase
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Choline acetyltransferase; GENE: horseradish peroxidase