5 Gene therapy products, namely, clinical or medical reagents for use in gene therapy; retroviral vector preparations for clinical or medical laboratory use; chemical and biochemical products for use in medical science, namely, diagnostic reagents for clinical or medical laboratory use; chemical and biochemical products for in vitro use in laboratories; reagents, namely, micro-organisms, cell cultures, plasmids and cultures of micro-organisms, deoxyribonucleic acid sequences, cloning vehicles and recombinant deoxyribonucleic acid variations thereof, all for clinical or medical laboratory use, namely, in vivo use