Not only is there a chance that a user can overdose from the ingredients found in crack cocaine, there is also no way to reliably tell from a glance that the drug purchased is exactly what the dealer says it is.
If your dog doesn't reliably follow basic commands - such as sit, stay, come, off, and leave it - sign up for a class with your local humane society or obedience club.
Unfortunately, it took many more years and some Japanese ingenuity before their textile scientists were able to reliably produce and weave that thin thread into something useful.
As of 2004 there was no one test or group of tests that can reliably diagnose DIC because it is a clinical event that occurs without warning, arising from another event such as surgery, childbirth, snakebite, and certain disease conditions.
Although numerous studies have found that the ClearPlan Fertility Monitor can reliably detect peak fertility days in women taking Clomid, it may not detect high fertility days in every case.