TY - BOOK T1 - Photodynamic action and diseases caused by light A1 - Blum, Harold Francis PP - New York PB - Reinhold Publ. co. YR - 1941 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.44029 OP - 309 ER -