Einar Heldal

Author information from the last article

Einar Heldal er dr.med. og overlege ved Folkehelseinstituttet.

Articles by Einar Heldal

Drug resistance in tuberculosis

Brita Askeland Winje,
Turid Mannsåker,
Nina Langeland,
Einar Heldal

20.11.2008: A majority of tuberculosis cases are caused by Mycobacterium tuberculosis, but in rare cases other bacteria belonging to the M tuberculosis complex could be the cause of disease. Pulmonary tuberculosis is often distinguished from extra.pulmonary tuberculosis. From an epidemiological viewpoint, it is...