1. Human, small round structured viruses, calciviruses and astroviruses;Cubitt;Baillière's Clinical Gastroenterology,1990
2. Viral gastroenteritis;Blacklow;N Engl J Med,1991
3. Infection with small round structured viruses: England and Wales 1981–1990;Adak;CDR,1991
4. Food borne viral gastroenteritis;Appleton;PHLS Microbiology Digest,1988
5. Current Topics in Clinical Virology;Riordan,1991