Global Anemia and Vitamin Test Market By Type (Anemia Test, Retinol Test, 25-Hydroxy Vitamin D Test, 1, 25-Dihydroxy Vitamin D Test, Vitamin E Test, Vitamin K Test, Thiamine Test, and Vitamin C Test), By Application (Hospitals, and Diagnostic Laboratories), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029