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. Author manuscript; available in PMC: 2012 Mar 14.
Published in final edited form as: J Vet Diagn Invest. 2011 Oct 20;23(6):1212–1216. doi: 10.1177/1040638711425584

Figure 2.

Figure 2

In situ hybridization (ISH) performed after different time spans of prolonged formalin fixation. Positive cells are labeled dark purple. a-c, lymph node, pig. ISH for Porcine circovirus- 2: 1 week (a); 8 weeks (b); 10 weeks (c). d-f, lung, pig. ISH for Porcine respiratory and reproductive syndrome virus: 1 week (d); 10 weeks (e); 29 weeks (f). g-i, stomach, snake. ISH for Cryptosporidium serpentis: 1 week (g); 48 weeks (h); 62 weeks (i). j-l, colon, pig. ISH for Tritrichomonas sp.: 1 week (j); 47 weeks (k); 62 weeks (l). Bar = 400 μm.