1. New hepatitis vaccine developed;Anon;New Scientist,1983
2. Biogen's rDNA hepatitis B vaccine;Anon,1984
3. Merck's Recombivax HB DNA-derived hepatitis vaccine approved June 23 after five-month review;Anon,1986
4. Parisians put new hepatitis B vaccine to the test;Anon;New Scientist,1987
5. Biogen/SmithKline hepatitis B licensing agreement;Anon,1988