S., L., A., S., A., V. and A., Z. 2018. Biochemical Characterization of Collagen Extracted from the Swim Bladder of Catfish (Bagre panamensis). European Scientific Journal, ESJ. 14, 30 (Oct. 2018), 1. DOI:https://doi.org/10.19044/esj.2018.v14n30p1.