In many human cancers, however, the normal DNA methylation profile is substantially altered.
Many human diseases, however, occur in the adult or aging organism.
Many human studies, however, do not specifically address the stimulating effects of alcohol and there are fewer good behavioral endpoints for measuring this in people.
Studies of many human tumors, however, suggest that their microcirculation may be provided by nonsprouting vessels and that a variety of tumors can grow and metastasize without angiogenesis.
Magnetic resonance (MR) imaging is the preferred diagnostic tool to evaluate internal disorders of many joints in humans; however, the usefulness of MR imaging in the context of osteoarthritis, and joint disease in general, has yet to be characterized in veterinary medicine.
Cameras capture the action in grand, swirling moves, taking flight when necessary; and where live action has to satisfy itself with however many humans and weapons a budget can bear, there's no such bar in the virtual realm -- when the film goes big, it goes REALLY big.
Pre-clinical evaluations often provide the rationale for therapeutic assessments in humans; however, in many diseases an agent found successful in animal models does not show efficacy in human subjects.
Not all viruses with novel H types readily spread in humans, however, and many of these introductions have simply died out.
The ovariectomized (OVX) rat is widely accepted as an appropriate animal model for many estrogen-dependent responses in humans; however, since reproductive biology can vary significantly between mammalian systems, this study examined how well the OVX rat recapitulates human biology.
Many human rights groups, however, doubted the efficacy of the proposed reforms, saying that the new laws would only help minor criminals and not help political prisoners, and that the reforms would not actually abolish the re-education through labor system.
