Ngwa a na-adabara n'ịchọpụta qualitative nke cocaine's metabolite nke benzoylecgonine na mmamịrị mmadụ,nke a na-eji maka nchọpụta na inyeaka nchoputa nke ọgwụ riri ahụ. Ngwa a na-enye naanị nsonaazụ nyocha nke cocainemetabolite nke benzoylecgonine, na nsonaazụ enwetara ga-ejikọta yana ozi ụlọ ọgwụ ndị ọzọmaka nyocha.