%0 Journal Article %T Worm burdens in outbred and inbred laboratory rats with morphometric data on Syphacia muris (Yamaguti, 1935) Yamaguti, 1941 (Nematoda, Oxyuroidea) %A Pinto Roberto Magalh£¿es %A Gon£¿alves Lucineide %A Noronha Dely %A Gomes Delir Corr¨ºa %J Mem¨®rias do Instituto Oswaldo Cruz %D 2001 %I Instituto Oswaldo Cruz, Minist¨¦rio da Sa¨²de %X Syphacia muris worm burdens were evaluated in the rat Rattus norvegicus of the strains Wistar (outbred), Low/M and AM/2/Torr (inbred), maintained conventionally in institutional animal houses in Brazil. Morphometrics and illustration data for S. muris recovered from Brazilian laboratory rats are provided for the first time since its proposition in 1935. %K Syphacia muris %K prevalence %K morphometrics %K laboratory rats %K Brazil %U http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762001000100016