Mangone FR, Bobrovnitchaia IG, Salaorni S, Manuli E, Nagai MA. PIK3CA exon 20 mutations are associated with poor prognosis in breast cancer patients. Clinics [Internet]. 2012 Nov. 1 [cited 2024 Jul. 17];67(11):1285-90. Available from: https://revistas.usp.br/clinics/article/view/47951