MMR vaccine and Crohn's disease: ecological study of hospital admissions in England, 1991 to 2002 -- Seagroatt 330 (7500): 1120 Data Supplement - Additional references w1

[Posted as supplied by author]
Additional references

w1: Health Protection Agency. Completed primary courses of vaccination at two years of age.

www.hpa.org.uk/infections/topics_az/vaccination/cover.htm (accessed 11 April 2005)

w2: Department of Health. Hospital Episode Statistics.

www.dh.gov.uk/PublicationsAndStatistics/Statistics/HospitalEpisodeStatistics/fs/en (accessed 11 April 2005).

w3: Wheeler, JG Rodrigues LC. Risk factors for Crohn’s disease: environmental, socio-economic and vaccination history. Joint conference of the Society for Social Medicine and the International Epidemiological Association: 2001, Oxford, U.K. Abstracts for poster presentations.

www.ihs.ox.ac.uk/conference/abstracts/environment.htm (accessed 11 April 2005).

w4: Montgomery SM, Morris DL, Pounder RE, Wakefield AJ. Paramyxovirus infections in childhood and subsequent inflammatory bowel disease. Gastroenterology. 1999; 116: 796-803.