Sentence examples similar to well established variations from inspiring English sources

It is well established that variations in experimental procedures and uncontrolled conditions (e.g. socio-geographical origin of samples) may lead to systemic measurement biases.

It is well established that variations in the expression of PTB and PTB isoforms can result in cell type specific effects on RNA viruses [63].

It is well established that variations of the SD sequence away from a complementary match to the 16S 3′ end have an effect on translation rate.

Nevertheless, there is well established racial/ethnic variation in breast cancer incidence and mortality [ 22].

It is now well established that surgical variations do exist together with measurable rates of both local recurrence and survival (Birbeck et al, 2002).

We assume that this phenomenon could be generally related with the well established 27-day variation of the solar wind velocity being in anti-correlation with the similar changes of the 27-day variation of the GCR intensity.

It is well established that antigenic variation is an important mechanism that allows pathogens to escape for immunity.

The minimum tolerated hemoglobin level is not well established, and considerable variation exists in intensivists' transfusion practices.

It is well established that large variation in among-gene substitution rates might be determined by two factors: the rate of mutation and the intensity of selection [ 1, 5, 41].

The presence of CD44 and HA in the RA synovium is well established although, quantitatively, considerable variations have been obtained in different studies.

The well established factors used are seasonal variation, diurnal variation, solar activity and magnetic activity.