@online{
   timsrc,
   author = "David, Chella S.",
   title = "Role of HLA class II molecules in disease and immunity",
   publisher = "Universität Tübingen",
   year = "2001",
   month = "Jul",
   day = "19",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20010719_001_antigen_0001",
   urldate = "2024-04-29"
}