What is Mephedrone? - Effects,Symptoms &
2019-6-4 · Morphine can remain detectable in urine for up to three days. The answer of how long does morphine stay in urine may also be influenced by other factors related to someone’s drug use. These factors are discussed in further detail in the next section. Saliva. Saliva tests tend to be less reliable than urine tests and are therefore less common. The general time frame for morphine detection in saliva is …
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