in situ hybridization article 82 nonhuman 76 Animals 60 priority journal 58 controlled study 52 animal experiment 40 animal tissue 36 animal cell 32 messenger RNA 32 In Situ Hybridization 30 protein expression 28 Mice 26 RNA, Messenger 26 male 26 gene expression 24 mouse 24 rat 24 Male 22 nucleotide sequence 22 animal model 20 female 20 Female 18 Rats 18 genetics 18 human 18 immunohistochemistry 18 Humans 16 unclassified drug 16 Immunohistochemistry 14