| Literature DB >> 17752026 |
Abstract
During natural molt in many birds, feathers of the old generation are passively pushed out of the follicles attached to the tips of the sheaths of incoming feathers.Year: 1963 PMID： 17752026 DOI： 10.1126/science.139.3549.50
Source DB: PubMed Journal: Science ISSN： 0036-8075 Impact factor: 47.728