"It's not surprising that we're having problems bringing people who use drugs out of the shadows, because there's that complexity of the criminalized people, criminalized substances," MacPherson told VICE.
However, due to the complexity of the human body, some substances in the circulation may attenuate the efficacy of paclitaxel.
Given the complexity of the many factors and substances to which the populations described in the epidemiologic studies have been exposed, in this section we review experimental studies on relevant pesticides to gain an insight on whether single or groups of pesticides, or related substances, may contribute to the apparent increase in PD seen in these populations.
In this context lie the complexity of humic substances, their structural/organizational properties, and their functional relations with the negentropic properties of ecological networks and the health of entire ecosystems.
With an interdisciplinary approach, it is possible to retain and support clients with the highest complexity of mental and substance disorders into treatment and achieve significant improvements.
The complexity of delivering these substances becomes more difficult when the size and length of the catheter is limited, as in the pediatric population.
Steroid compounds in biological samples are difficult to analyse because of the broad range of substances, the complexity of the matrices, and the low levels of detection that must be achieved.
Only by understanding the molecular circuits complexity and the substances mediating pain, the development of increasingly specific tools for the identification of new markers, will be possible.
The complexity of the methods and the absence of necessary information on the substances used for satiating purposes pose additional difficulties.
In addition to the complexity of the legislation, scientific limitations regarding occupational exposure to some substance will also persist.
