| cryptosporidium oocysts on fresh produce from areas of high livestock production in poland. | samples of fresh vegetables and soft fruit were collected from farmers' markets in the lublin area of poland during 2006-2007; the produce was grown in areas of high to moderate livestock production. cryptosporidium sp. oocysts were eluted from food surfaces, separated from residual food materials by ims and identified by immunofluorescence and nomarski differential interference contrast microscopy. cryptosporidium sp. oocysts were detected in 6 of 128 vegetable samples (range 1-47 oocysts), but ... | 2010 | 20153065 |