How did family and kin take care of their elderly in the communities of Limbricht (South of the Netherlands with extensive household structures) and Scheemda (North of the Netherlands with more nuclear families) in the decades between both world wars.

Endothelial cells were isolated from arteries and veins obtained from elderly people at autopsy and propagated for 37 to 69 population doublings. The cells secreted tissue-type plasminogen activator (t-PA) and PA inhibitor-1, and, after subculturing, urokinase-type PA (u-PA) antigen. The following differences …