@article {aja2013effective,
	title = {Effective noise estimation and filtering from correlated multiple-coil MR data},
	journal = {Magnetic resonance imaging},
	volume = {31},
	number = {2},
	year = {2013},
	pages = {272{\textendash}285},
	publisher = {Elsevier},
	author = {Santiago Aja-Fern{\'a}ndez and V{\'e}ronique Brion and Antonio Trist{\'a}n-Vega}
}
