Fabrication of α‑Fe2O3 Nanostructures: Synthesis, Characterization, and Their Promising Application in the Treatment of Carcinoma A549 Lung Cancer Cells oleh Indresh Kumar, Rashmi Nayak, Lal Babu Chaudhary, Vashist Narayan Pandey, Sheo K. Mishra, Narendra Kumar Singh, Abhishek Srivastava, Surendra Prasad, Radhey Mohan Naik