Pinnock, CB; Graham, NM; Mylvaganam, A; Douglas, RM (1990). "Relationship between milk intake and mucus production in adult volunteers challenged with rhinovirus-2". The American Review of Respiratory Disease. 141 (2): 352–56. doi:10.1164/ajrccm/141.2.352. PMID2154152.
"Lactose intolerance". Genetics Home Reference. 8 فوریه 2016. Archived from the original on 25 January 2016. Retrieved 12 February 2016.
pubmed.ncbi.nlm.nih.gov
Pinnock, CB; Graham, NM; Mylvaganam, A; Douglas, RM (1990). "Relationship between milk intake and mucus production in adult volunteers challenged with rhinovirus-2". The American Review of Respiratory Disease. 141 (2): 352–56. doi:10.1164/ajrccm/141.2.352. PMID2154152.