Medical services, namely, conduction a disease management program consisting of disease prevention and early detection, standardized diagnosis, staging, treatment and care assessment, utilization review, counseling and patient networking in the fields of oncology and hematology; consulting services, namely, for diagnosis, treatment plans, and second opinions in the field of oncology and hematology; computer information services, namely, providing information on oncology, hematology and disease management via a global communication network; providing an on-line electronic database on global computer networks in the field of oncology, hematology and disease management