44 Regenerative medicine services; medical services, namely tissue regeneration services; medical services, namely tissue regeneration services using tissue engineering technology; medical services, namely, cellular therapy services; medical services, namely regenerating or restoration of spinal cord tissue by means of implanting engineered tissues in the spinal cord; treating human tissues for medical purposes [biomedical services]; medical services relating to the removal, treatment and processing of human tissues; medical services relating to the removal, treatment and processing of human tissues for implantation