Injectable Drugs Market, By Molecule Type (Small Molecule and Large Molecule), By Route of Administration (Intravenous, Intramuscular, Subcutaneous, Others), By Therapeutic Area (Oncology, Infectious Diseases, Autoimmune Disorders, Cardiovascular Diseases, Endocrinology, Neurology, Others), By Drug Class (Monoclonal Antibodies, Peptides and Proteins, Small Molecules, Immunoglobulins, Hormones, Others), By Distribution Channel (Hospital Pharmacies, Retail Pharmacies, Online Pharmacies), By Geography (North America, Latin America, Europe, Asia Pacific, Middle East & Africa)