1Kingsbury JS, Cecere W, Mang TS,et al. Photodynamic therapy for premalignant lesions in DMBA-treated hamsters: a preliminary study[J]. Journal of Oral & Maxillofacial Surgery,1997,55(4):376-381.
2Grant WE, Hopper C, Speight PM. Photodynamic therapy of malignant and premalignant lesions in patients with field cancerization' of the oral cavity[J]. Journal of Laryngology & Otology,1993,107(12):1140-5.
3Kubler A, Haase T, Rheinwald M. Treatment of oral leukoplakia by topical application of 5-aminolevulinic acid[J]. International Journal of Oral & Maxillofacial Surgery,1998,27(6):466-469.
4Sieron, Aleksander, Namyslowski. Treatment of oral leukoplakia by topical application of 5-aminolevulinic acid[J]. European Archives of Oto-Rhino-Laryngology, 2001,258(7):349-352.