title: [Analysis by infrared spectrometry of renal calculi in whose composition there are porphyrins].
authors: M L
authors: ML
authors: Traba
authors: J
authors: J
authors: Perpiña
authors: R
authors: R
authors: Enriquez de Salamanca
mesh_terms: D006801:Humans; D007669:Kidney Calculi / Q000032:analysis*; D011166:Porphyrins / Q000032:analysis*; D013055:Spectrophotometry, Infrared
chemical_list: D011166:Porphyrins
vernacular_title: Análisis por espectrometría infrarroja de cálculos renales en cuya composición existen porfirinas.