Study protocol: optimized complementary feeding study (OTIS): a randomized controlled trial of the impact of a protein-reduced complementary diet based on Nordic foods.
Torbjörn LindUlrica JohanssonInger ÖhlundLene LindbergBo LönnerdalCatharina TenneforsOlle HernellPublished in: BMC public health (2019)
NCT02634749 . Registration date 18 December 2015.