| pubmed-article:488255 | pubmed:abstractText | Methanol extracts of the skin of the South African amphibians belonging to the genus Heleophryne (H. purcelli purcelli, H. purcelli depressa, H. purcelli orientalis, H. natalensis) contain large amounts (20--500 microgram/g fresh tissue) of Hyp3-bradykinin. | lld:pubmed |
