The phrase "a necessary evidence" is not correct in standard written English.
The correct form should be "necessary evidence" without the article "a," as "evidence" is an uncountable noun.
Example: "The necessary evidence was presented in court to support the case."
Alternatives: "essential evidence" or "crucial evidence."
The combination of BMP signaling modulators fsta and bambi with indicators for BMP activity at the key stages of the vesicle to cup transition now provides all necessary evidence at a glance.
The troubles of his close friend Tiger Woods provide all necessary evidence of that.
The identity of those individuals, Jack Nicklaus and Tiger Woods, supplies all necessary evidence of the scale of such achievement.
The use of CAM continues, even though there is a lack of necessary evidence to support many of its claims [ 7, 16].
The Food and Drug Administration FDAA) issued a guidance document describing the necessary evidence for a Patient Reported Outcome (PRO) instrument to support label claims [[ 5]], which includes the evaluation of content validity as a key recommendation (i.e. assessment and documentation of how the PRO measures the concepts relevant to the population).
According to Mrs Justice Carr, Berki alleged to police that Brand had assaulted her, but the police closed the investigation after an "absence of necessary evidence".
But to gather the necessary evidence, a cash-strapped NASA would have to continue to fund Cassini for several more years.
As CBGT is an effective gold standard treatment appropriate for use as a benchmark [23], the necessary evidence to validate ICBT is to demonstrate non-inferiority (i.e., equal efficacy) to CBGT [24].
Data sets that clustered similarly provided the necessary evidence to assign a gene product to a specific metabolic pathway, without defining a precise enzymatic function.
"At this stage we are collecting all the necessary evidence and a decision will be announced by the summer once we have concluded our investigations".
