Global Regulatory Affairs Market Size study, by Service (Regulatory consulting, Legal representation, Regulatory writing & publishing, Product registration & clinical trial applications, Other services), by Category (Drugs, Biologics, Medical Devices), by Indication (Oncology, Neurology, Cardiology, Immunology, Other Indications), by product stage (Preclinical, Clinical, PMA), by end use (Medical Device Companies, Biotechnology Companies, Pharmaceutical Companies), by company size(Small, Medium and Large) and Regional Forecasts 2021-2027