00622cam 2200217 450 1942761http://id.bnportugal.gov.pt/bib/porbase/194276120030521220900.092-4-156110-629505PTBN0073255419940609d1988 k y0pory0103 baengCHSmallpox and its eradicationFrank Fenner ... [et al.]GenevaWHO1998XVI, 1460 p.27 cm61(091)+616.911520606FennerFrank070276282PTBNRPC100 DcoopULFAmq849419bccoopULFA110360WC/75coopUPMEmq849420bccoopUPME0LFA5-31