of curaua and piassava ï¬bers. In this ï¬gure, two points should be noted. First, that the average length of curaua, 846 mm, and piassava, 455 mm, are more than 15 times their criti-Figure 1. Automobile components made of natural-ï¬ber-reinforced composites. 25 Figure 2. The dimensional distribution of commercial ï¬bers of (a) curaua and (b)
The treatment of aggressive diseases often benefits very noticeably from combination therapy, especially when involving the immune system. In fact, one often-cited combination therapy is HAART: Highly Active Antiretroviral Therapy used in the treatment of HIV. With six major types of drugs being used in this combination therapy, each slows or disrupts the replication of HIV cells in different ways.
A combination strategy involves adding another antidepressant, usually from a different class so as to have effect on other mechanisms. Although this may be used in clinical practice, there is little evidence for the relative efficacy or adverse effects of this strategy.