TY  - JOUR 
T1  - Ozonation of ethinylestradiol in aqueous-methanolic solution: direct monitoring by electrospray ionization mass spectrometry
JO  - Journal of the Brazilian Chemical Society
A1  - Vieira, Karla M.
A1  - Nascentes, Clésia C.
A1  - Augusti, Rodinei
SN  - 0103-5053
UL  - 10.1590/S0103-50532010000500004
VL  - 21 
Y1  - 2010
PB  - Brasil 
ER  -