Media type: E-Article Title: Group Contributor: Sorescu, Marin; Varga, Adriana; Friebert, Stuart Published: JSTOR, 1991 Published in: Grand Street (1991) 39, Seite 51 Language: English DOI: 10.2307/25007477 ISSN: 0734-5496 Keywords: Immunology Origination: Footnote: