4319
A limited study in a glassware factory ( As2O3 exposure ) involving the measurement of total airborne arsenic , the determination of urinary arsenic , and the evaluation of hand and mouth contamination by arsenic before and after the workshift suggests that the high urinary arsenic levels ( 300 microgram / g creatinine ) are likely to be more related to an increased oral intake from contaminated hands than to an increased absorption from the lungs .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None