41. It is often paler than most of its congeners with a yellowish suffusion, especially in the female. 42. The BZ 209 is given to the fully chlorinated decachloro biphenyl which is the last of the congeners . 43. Requirement for a standardized nomenclature criterium for PCBs : computer assisted assignment of correct congener denomination and number. 44. At just over 1 mm in length, this is a generally larger animal than its closest congeners . 45. It is sometimes confused with its congener , the midnight snapper, " M . macularis ". 46. It is a single figure resulting from the product of the concentration and individual TEF values of each congener . 47. It was larger than any of its living congeners and was one of the largest cuckoos in the world. 48. Unlike its congeners , " stipulate on long ( 2 10 cm ) petioles, with crenate edges. 49. The claim is based on research done in the 1970s that pinned hangovers on impurities in alcohol known as congeners . 50. Wiese and Shlipak said that, in theory, congeners stimulate an immune response that causes the release of cytokines.