Infectious agents is a risk factor for myxomatous mitral valve degeneration: A case control study - Tiveron, Marcos Gradim; Pomerantzeff, Pablo Maria Alberto; Higuchi, Maria de Lourdes; Reis, Marcia Martins; Pereira, Jaqueline de Jesus; Kawakami, Joyce Tieko; Ikegami, Renata Nishiyama; Brandao, Carlos Manuel de Almeida; Jatene, Fabio Biscegli (BMC Infectious Diseases, 2017)