title: [Determination of microamounts of calcium, magnesium and phosphorus in water samples and biomedia by atomic absorption spectrophotometry].
mesh_terms: D002118:Calcium / Q000032:analysis*; D008274:Magnesium / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D010758:Phosphorus / Q000032:analysis*; D013053:Spectrophotometry
chemical_list: D010758:Phosphorus; D008274:Magnesium; D002118:Calcium
vernacular_title: Opredelenie microkolichestv  kal'tsiia, magniia i fosfora v vodnykh probakh i biosredakh metodom atomno-absorbtsionnoĭ spektrofotometrii.