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The Cd - treated group was injected subcutaneously with cadmium chloride ( CdCl2 ) dissolved in saline at a dose of 2 ml / kg / day for 30 days , resulting in a dosage of 1 mg / kg Cd .
 Chemical: Cd; Chemical: cadmium chloride; Chemical: CdCl2; Chemical: Cd
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Cd; Chemical: cadmium chloride; Chemical: CdCl2; Chemical: Cd