Vitamin A and protein status of preschool children in suka village, North Sumatra effer an oral massive dose of vitamin A A nutritional and biochemical study SINAGA, Humala Suar Radja Parlindungan text Amsterdam Universiteit van Amsterdam 1981 eng iii, 106 p. : ill. ; 29 cm. Thesis (Dr.)- Universiteit van Amsterdam, 1981 Humala Saur Radja Perlindungan Sinaga NORTH SUMATRA VITAMIN A PROTEIN PRESCHOOL CHILDREEN NUTRITIONAL 612.39 612.39 SIN v 221119 20221119010415 INLIS000000000007626 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)