Mateon Therapeutics, Inc. (MATN: OTCQB) | Company Video Tue, Jun 30, 2020 -
Mateon Therapeutics, Inc. (
MATN : OTCQB) released a Company Video called Mateon BIO2020 interview -COVID Assets. To watch the video, please visit:
http://www.otcmarkets.com/stock/MATN/video-an...cmdId=3933 .