Every weakly countably compact closed convex set in a locally convex space has the quasi-weak drop property.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm162-2-5, author = {J. H. Qiu}, title = {Weak countable compactness implies quasi-weak drop property}, journal = {Studia Mathematica}, volume = {162}, year = {2004}, pages = {175-182}, zbl = {1062.46010}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm162-2-5} }
J. H. Qiu. Weak countable compactness implies quasi-weak drop property. Studia Mathematica, Tome 162 (2004) pp. 175-182. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm162-2-5/