Deep learning-based breast cancer classification through medical imaging modalities: state of the art and research challenges. - Ghulam Murtaza 002; Liyana Shuib; Ainuddin Wahid Abdul Wahab; Ghulam Mujtaba 001; Henry Friday Nweke; Mohammed Ali Al-garadi; Fariha Zulfiqar; Ghulam Raza; Nor Aniza Azmi (Artif. Intell. Rev., 2020)