RT Journal Article SR Electronic T1 Role of mycology in accurate diagnosis of various fungal aetiologies in rhino/orbital diseases: ‘needle in a haystack’ JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e242684 DO 10.1136/bcr-2021-242684 VO 14 IS 5 A1 Surya Ravichandran A1 Saranya Thangavel A1 Rakesh Singh A1 Sivaraman Ganesan YR 2021 UL http://casereports.bmj.com/content/14/5/e242684.abstract