3950
In the 1960 s , the first clinical works were published proving the toxicity of this compound in humans , e.g. by Mirosław Jan Stasik .
 person: Mirosław Jan Stasik
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Mirosław Jan Stasik