Fig. 2
From: Thematic research clusters in very old populations (≥ 80 years): a bibliometric approach

Annual evolution in the number of documents indexed in the WoS-CC and assigned the descriptor, “Aged, 80 and over”
From: Thematic research clusters in very old populations (≥ 80 years): a bibliometric approach
Annual evolution in the number of documents indexed in the WoS-CC and assigned the descriptor, “Aged, 80 and over”