article 30 gene disruption nonhuman 30 priority journal 24 controlled study 22 Animals 18 Mice 14 female 14 mouse 14 Female 12 Molecular Sequence Data 10 animal cell 10 animal experiment 10 male 10 Base Sequence 8 Mice, Inbred BALB C 8 animal tissue 8 mutant 8 protein analysis 8 reverse transcription polymerase chain reaction 8 unclassified drug 8 Animalia 6 Mice, Knockout 6 Mus 6 RNA 6 Receptors, Dopamine D2 6 genotype 6 operon 6 phenotype 6 ATP-Binding Cassette Transporters 4