24524
A few years later , resistance appeared in bacterial species not naturally producing AmpC enzymes ( " K. pneumoniae " , " Salmonella " spp. , " P. mirabilis " ) due to the production of TEM - or SHV-type ESBLs ( extended spectrum beta lactamases ) .
 Salmonella
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Salmonella