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2. https://www.raw-milk-facts.com/raw-medicine.html.
3. History of colostrum as a supplement, colostrum use in Egypt, India, Scandinavia and Kenya;Reninger,2016
4. Immunoglobulins and immunocytes in the mammary gland and its secretions;Butler,2005
5. Receptor mechanisms of the neonatal intestine and their relationship to immunoglobulin absorption and disease;Staley;J Dairy Sci,1985