@article {Carvalho:2020kc,
	title = {{Energy dispersive X-ray fluorescence quantitative analysis of biological samples with the external standard method}},
	journal = {Spectrochimica Acta Part B: Atomic Spectroscopy},
	volume = {174},
	year = {2020},
	note = {n/a},
	month = {dec},
	pages = {105991},
	abstract = {n/a},
	doi = {10.1016/j.sab.2020.105991},
	url = {https://linkinghub.elsevier.com/retrieve/pii/S0584854720304304},
	author = {Carvalho, Patr{\'{\i}cia M S and Pessanha, Sofia and Machado, Jorge and Silva, Ana Lu{\'{\i}sa and Jo{\~a}o Veloso and Diogo Casal and Diogo Pais and Jos{\'e} Paulo Santos}
}
