Animals 38 Mammary Neoplasms, Animal 38 Mice 38 article 36 mouse 36 nonhuman 36 animal cell 32 priority journal 32 controlled study 30 Female 20 Mice, Inbred BALB C 20 Adenocarcinoma 16 animal model 16 animal tissue 16 cell proliferation 16 Cell Line, Tumor 14 animal experiment 14 female 14 Porphyrins 12 Tumor Cells, Cultured 12 animal 12 breast tumor 12 protein expression 12 unclassified drug 12 Aminolevulinic Acid 10 Humans 10 Photochemotherapy 10 Photodynamic therapy 10 Photosensitizing Agents 10 aminolevulinic acid 10