TY - GEN AU - Yee,Karen Kar Lye AU - Soo,Khee Chee AU - Bay,Boon Huat AU - Olivo,Malini TI - A comparison of protoporphyrin IX and protoporphyrin IX dimethyl ester as a photosensitizer in poorly differentiated human nasopharyngeal carcinoma cells SN - 0031-8655 PY - 2004///0121 KW - Apoptosis KW - drug effects KW - Humans KW - Light KW - Nasopharyngeal Neoplasms KW - metabolism KW - Photochemotherapy KW - Photosensitizing Agents KW - Protoporphyrins KW - Time Factors KW - Tumor Cells, Cultured N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1562/0031-8655(2002)076<0678:acopia>2.0.co;2 ER -