Bullfrog
The Bullfrog
Asian bullfrog (Rana tigerina) skin gelatin extracted by ultrasound-assisted process: Characteristics and in-vitro cytotoxicity
Free radical scavenging activity of a novel antioxidative peptide purified from hydrolysate of bullfrog skin, Rana catesbeiana Shaw
bullfrog
Studies on bullfrog skin collagen
Apparent digestibility coefficients and amino acid availability of common protein ingredients in the diets of bullfrog, Rana (Lithobates) catesbeiana
Bullfrogs
The Bullfrog in Cuba