Animal 49 Male Mice Support, Non-U.S. Gov't mouse 47 nonhuman 43 article 35 animal experiment 30 Mice, Inbred BALB C 27 Liver 23 Animalia 21 liver 21 priority journal 20 animal cell 19 male 18 Heme 15 Porphyrins 14 animal tissue 14 5-Aminolevulinate Synthetase 13 Mammary Neoplasms, Experimental 13 Kinetics 12 5 aminolevulinate synthase 11 animal model 10 controlled study 10 intraperitoneal drug administration 10 porphyrin 10 Allylisopropylacetamide 9 Hydrogen-Ion Concentration 8 Porphobilinogen Synthase 8 Thiosulfate Sulfurtransferase 8