| [presence of clostridium perfringens in meat-based preparations in public food services in central san jose, costa rica]. | in costa rica there are a large number of public food services distributed along the country, where a considerable number of people eat daily. clostridium perfringens is a bacteria associated with foodborne illness related, especially, to meat products kept for long time at temperatures under 70 degrees c. the aim of this study was to evaluate the public food services that use water baths for keeping food hot in order to establish the presence of c. perfringens in cooked bovine meat dishes and t ... | 1999 | 10667269 |