Ethyl paraben (EtP) is a preservative which is used in cosmetics and food. In the European Union (EU) methyl paraben and its natrium salt are listed in the regulation of food additives (Regulation (EU) No. 1129/2011) as E numbers E214 and E215.
Student groups with an even number of female and male students at the age of 20 to 29.
4 university cities as sampling areas.
1995 - 2012