Enhancement of Penetration of Millimeter Waves by Field Focusing Applied to Breast Cancer Detection. - Ioannis Iliopoulos; Simona Di Meo; Marco Pasian; Maxim Zhadobov; Philippe Pouliguen; Patrick Potier; Luca Perregrini; Ronan Sauleau; Mauro Ettorre (IEEE Trans. Biomed. Eng., 2021)