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Plasma fibronectin deficiency during chemotherapy of acute myeloid leukaemia.

Plasma fibronectin was determined using a laser nephelometric method in 10 patients with acute myeloid leukaemia undergoing chemotherapy. There was a continuous fall during the first 3 weeks to about 50% of the normal level. The decrease of fibronectin may contribute to the lowered resistance against infection characteristic of these patients.