The phrase "a valid help" is correct and usable in written English.
It can be used when referring to assistance or support that is legitimate or acceptable in a particular context.
Example: "The documentation provided was a valid help in understanding the software's features."
Alternatives: "a legitimate aid" or "a useful assistance".
To account for driver behaviour while selecting countermeasures, the Human Factors Guidelines for Road Systems [64] could be a valid help.
Septifast Test appears to be a valid help in an early assessment of sepsis, along with cultural method.
Mathematical or statistical tools are capable to provide a valid help to improve surveillance systems for healthcare and non-healthcare-associated bacterial infections.
Many efforts have been taken in order to shed light on the physiological, pathological, and toxicological aspects of human pregnancy, and in vitro models represent a valid help for researchers in this field.
It could be tested daily or more as a valid laboratorial help for critical patient's clinical assessment.
Female friends cannot offer valid help because they are limited by their ability.
methods was a valid tactic to help major shippers to make choices for their cargo shipments, potentially leading to cost savings for their consumers.
Soon after, she wrote in an e-mail message, "Consumers risk significant eye injuries — even blindness" when they buy contact lenses without a valid prescription or help from an eye professional.
Overall, the TAM is a valid model to help explain students' intentions to use ICT tools.
MR imaging together with MR brain morphometry, on the other hand, is a valid method to help to confirm the diagnosis in clinically advanced stages.
A valid simulation models helps the tool engineers to gather relevant process related information without resorting to costly and time consuming experimentation.
