Fig. 1

Flow chart of the scientometric study. #1: (TI= (multimorbidit* or multi-morbidit* or ‘multiple morbidities’ or multiple-morbidities or comorbidit* or co-morbidit* or ‘multi* disease*’ or ‘multi* chronic disease*’ or ‘multi* chronic condition*’) OR AK= (multimorbidit* or multi-morbidit* or ‘multiple morbidities’ or multiple-morbidities or comorbidit* or co-morbidit* or ‘multi* disease*’ or ‘multi* chronic disease*’ or ‘multi* chronic condition*’)); #2: (TI= (frail* or debilit* or weak*) OR AK= (frail* or debilit* or weak*)). Abbreviations: WOSCC, Web of Science Core Collection