Complex sentence: Dr. Burzynski is a member of several medical associations and the author or co-author of more than 250 publications, includeing 37 scientific publications about antineoplastons and numerous not peer reviewed abstracts at medical conferences.
Split into simpler sentences: Dr. Burzynski is a member of several medical associations. This includes 37 scientific publications about antineoplastons and numerous not peer reviewed abstracts at medical conferences.