Links
[1] https://www.ctsnet.org/user/login?destination=user/446426
[2] https://www.ctsnet.org/print/home/bpfannmueller
[3] https://www.ctsnet.org/article/mitral-annular-sizing-mitral-valve-repair-surgery
[4] https://www.ctsnet.org/articles/bpfannmueller
[5] https://www.ctsnet.org/society/ctsnet
[6] https://www.ctsnet.org/society/gstcvs