https://pubmed.ncbi.nlm.nih.gov/18952725/
http://ar.iiarjournals.org/content/35/8/4545.full
https://www.scielo.br/pdf/cta/v39s2/0101-2061-cta-39-s2-355.pdf
https://pubmed.ncbi.nlm.nih.gov/11549415/
https://pubmed.ncbi.nlm.nih.gov/10608295/
https://academic.oup.com/jn/article/141/6/1056/4600248
https://pubmed.ncbi.nlm.nih.gov/21847071/
https://pubmed.ncbi.nlm.nih.gov/19939229/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2915836/
https://pubmed.ncbi.nlm.nih.gov/16936799/
https://pubmed.ncbi.nlm.nih.gov/10024582/
https://www.researchgate.net/publication/257104209_Colostrum_and_its_benefits_A_review
https://www.clinicaleducation.org/tag/proline-rich-peptides/
https://link.springer.com/chapter/10.1007/978-0-387-74087-4_9
https://link.springer.com/article/10.1007/s13594-015-0258-x
https://pubmed.ncbi.nlm.nih.gov/16676703/
https://pubmed.ncbi.nlm.nih.gov/26168491/
https://pubmed.ncbi.nlm.nih.gov/17095643/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3825630/
https://academic.oup.com/jid/article/211/8/1334/916230
https://www.mdpi.com/2072-6643/9/4/370
https://link.springer.com/article/10.1007%2Fs10534-014-9779-7
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0202929
https://academic.oup.com/nutritionreviews/article/72/4/237/1859287