Sigrun Roesel

Circulation of Type 1 Vaccine-Derived Poliovirus in the Philippines in 2001

Lilly Yuen, Kerri Anne Brussen, Olen Kew, 2004, Journal of Virology.

Using the World Health Organization Measles Programmatic Risk Assessment Tool for Monitoring of Supplemental Immunization Activities in the Philippines.

Eugene Lam, W William Schluter, James L Goodson, 2017, Risk analysis : an official publication of the Society for Risk Analysis.

World Health Organization Regional Assessments of the Risks of Poliovirus Outbreaks

Rebecca Martin, N. Khetsuriani, P. O'Connor, 2013, Risk analysis : an official publication of the Society for Risk Analysis.

Global Polio Eradication – Way Ahead

Roland W Sutter, Pankaj Bhatnagar, R. Sutter, 2018, The Indian Journal of Pediatrics.