Development of a Method to Extract Opium Poppy (Papaver somniferum L.) DNA from Heroin.

Sci Rep · 2018 · PMC5803222 · PMID 29416103

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an expected trendno p-value reported

The black tar sample amplified with higher efficiency than the white/brown powder samples (Figs 5 and 6 ); however, due to the limited nature of this study, it cannot be identified as an expected trend.

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