• We emphasize that this is of special importance.
• Notice that such products have just appeared on the market.
• It might be well to point out [ or It should be pointed out ( or remarked , or mentioned ) ] that ...
• It should be recorded ( or noted , or recognized ) that there are some inherent ...
• It is worth noting ( or It is worthy of note ) that the scalar equation of this type is exceptional.
• Noteworthy also are the very large values that ...
• It is pertinent to note that the genetic mechanism always remains encapsulated.