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nonhuman 335 animal experiment 333 PUBLIC ADMINISTRATION 276 article 261 rat 245 priority journal 221 Rats 207 Administración 196 Animal 195 controlled study 189 Male 181 Female 161 Support, Non-U.S. Gov't 157 Administration 156 male 155 animal cell 141 female 135 Animals 130 intraperitoneal drug administration 123 mouse 120 JUSTICE, ADMINISTRATION OF 112 ADMINISTRATION 108 ADMINISTRATIVE AGENCIES 101 Rats, Inbred Strains 100 Mice 98 animal model 94 drug efficacy 92 subcutaneous drug administration 90 animal tissue 89 oral drug administration 88