RT Journal Article SR Electronic T1 Novel disinfecting spittoons during COVID-19 JF BMJ Innovations JO BMJ Innov FD All India Institute of Medical Sciences SP bmjinnov-2020-000513 DO 10.1136/bmjinnov-2020-000513 A1 Mubarak Muhamed Khan A1 Sapna Ramkrishna Parab YR 2021 UL http://innovations.bmj.com/content/early/2021/01/11/bmjinnov-2020-000513.abstract AB