Body composition in Nepalese children using isotope dilution: the production of ethnic-specific calibration equations and an exploration of methodological issues oleh Delan Devakumar, Carlos S. Grijalva-Eternod, Sebastian Roberts, Shiva Shankar Chaube, Naomi M. Saville, Dharma S. Manandhar, Anthony Costello, David Osrin, Jonathan C.K. Wells