%0 Journal Article
%T World-wide research architecture of vitamin D research: density-equalizing mapping studies and socio-economic analysis
%A Annahita Alafi
%A Daniela Ohlendorf
%A David A. Groneberg
%A David Quarcoo
%A Doris Klingelh£¿fer
%A D£¿rthe Br¨¹ggmann
%A Eileen M. Wanke
%A Frank Louwen
%A Jenny Jaque
%A Michael H. Bendels
%A Sue A. Ingles
%J Archive of "Nutrition Journal".
%D 2018
%R 10.1186/s12937-018-0313-6
%X Global vitamin D research activities. a Density-equalizing map of numbers of vitamin D articles. The area of each country was scaled in proportion to its total number of publications. b Regression analysis of vitamin D articles per year between 1900 and 201
%K Vitamin D
%K Density equalizing mapping
%K Research architecture
%U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5756608/