Fig. 1From: A systematic scientometric review of paternal inheritance of acquired metabolic traitsPaper selection and categorization criteria. a Flow-chart of the literature search. b Illustration of experimental designs categorized as “Ancestral exposure studies”. c Illustration of experimental designs categorized as “Gamete/embryo exposure studies”. Multigenerational studies follow one of these experimental studies, but the exposure is repeated in more than one generationBack to article page