Animal 43 Male Mice Support, Non-U.S. Gov't mouse 43 nonhuman article 31 animal experiment 28 Mice, Inbred BALB C 25 Liver 21 priority journal 20 Animalia 19 animal cell 19 liver 19 male 16 Heme 15 animal tissue 14 5-Aminolevulinate Synthetase 13 Mammary Neoplasms, Experimental 13 Porphyrins 12 5 aminolevulinate synthase 11 Kinetics 10 animal model 10 intraperitoneal drug administration 10 Allylisopropylacetamide 9 Hydrogen-Ion Concentration 8 Thiosulfate Sulfurtransferase 8 controlled study 8 heme synthesis 8 porphyrin 8