Sentence examples for several variations have from inspiring English sources

Over the years, polymerase chain reaction (PCR) has evolved beyond simple amplification and detection, and several variations have been described.

Several variations have followed in recent days, two of them masking themselves as an e-mail joke and one as a receipt for a Mother's Day gift.

Several variations have followed in recent days, two of them masking themselves as an e-mail joke and one as a receipt for a Mother's Day gift.

To that end, several variations have been developed utilizing chiral auxiliaries and chiral catalysts.

Over- and under-sampling methods, with several variations, have been successfully used to deal with imbalanced data sets [ 27- 32].

Several genetic variations have been associated with asthma severity in children, including those within genes coding for filaggrin [ 4], macrophage inhibitory factor [ 5], interleukin-4 [ 6] and the beta 2 adrenoceptor [ 7].

Several genetic variations have been identified in association with abnormal uric acid metabolism.

Several genetic variations have been proposed to play a role in giving African athletes a possible advantage in endurance sports.

Several genetic variations have been associated with Parkinson disease in different populations over the past few years.

Among Y. ruckeri isolates, several serological variations have been reported [ 9- 11].

Several genetic variations have been associated with an increased risk of developing the disease and most of these are also implicated in other autoimmune disorders.