TY  - JOUR 
T1  - PIK3CA exon 20 mutations are associated with poor prognosis in breast cancer patients
JO  - Clinics
A1  - Mangone, Flavia R.
A1  - Bobrovnitchaia, Irina G.
A1  - Salaorni, Sibeli
A1  - Manuli, Erika
A1  - Nagai, Maria A.
SN  - 1807-5932
UL  - 10.6061/clinics/2012(11)11
VL  - 67 
Y1  - 2012
PB  - Brasil 
ER  -