Total metal content and chemical speciation analysis of iron, copper, zinc and iodine in human breast milk using high-performance liquid chromatography separation and inductively coupled plasma mass spectrometry detection

Vânia de Oliveira Trinta, Patrícia de Carvalho Padilha, Sonaly Petronilho, Ricardo Erthal Santelli, Bernardo Ferreira Braz, Aline Soares Freire, Cláudia Saunders, Hélio Fernandes da Rocha, Alfredo Sanz‐Medel, María Luisa Fernández‐Sánchez