- Lipid-storage myopathy and respiratory insufficiency due to ETFQO mutations in a patient with late-onset multiple acyl-CoA dehydrogenation deficiency. Olsen, R.K., Pourfarzam, M., Morris, A.A., Dias, R.C., Knudsen, I., Andresen, B.S., Gregersen, N., Olpin, S.E. J. Inherit. Metab. Dis. (2004)