1362
About 4 % and 8 % , respectively , of 100 mg / kg dermal doses were absorbed in 24 h and 72 h , and about 50 % of a 10 mg / kg dose was absorbed in 72 h .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None