research Diversity of Vibrissal Follicle Anatomy in Cetaceans 6 citations, July 2021 in “The anatomical record” Different whale and dolphin species have unique whisker follicle structures, suggesting they might use their whiskers in various ways.
research Udenafil Induces the Hair Growth Effect of Adipose-Derived Stem Cells 9 citations, April 2019 in “Biomolecules & Therapeutics” Udenafil may help hair grow by activating certain stem cells.