“Seeing” invisible volatile organic compound (VOC) marker of urinary bladder cancer: A development from bench to bedside prototype spectroscopic device

N. K. Bhattacharyya, Dipanjan Mukherjee, Soumendra Singh, Ria Ghosh, Saurav Karmakar, Ankita Mallick, Arpita Chattopadhyay, Pulak Mondal, Tapan Kumar Mondal, Debasis Bhattacharyya, Asim Kumar Mallick, Ghulam Nabi, Samir Kumar Pal