Systematic efforts improve quantity and quality of childhood cancer registration data at Safdarjung hospital, New Delhi

oleh: Amitabh Singh, Meenakshi Salhan, Ratan Gupta, K.C. Aggarwal, Satnam Kaur, Rani Gera, S.P. Kataria, D.K. Gupta, Deepak Bagga, Preeti Mishra, Om Prakash Singh, Ramandeep Singh Arora