'guidance on a' is not a complete sentence, and so it is not correct and usable in written English.
To use this phrase correctly, it must be part of a longer sentence. For example, "I need some guidance on a difficult decision I have to make."
In this study, there was general consensus that a suitable individually-tailored yoga practice, with lessons and guidance on a one-to-one basis from a suitably trained and experienced teacher, would be beneficial for people with depression or anxiety.
Bachmann has mentioned praying to God for guidance on a political career, then undertaking one only with "a sense of assurance about the direction I think that God is speaking into my heart that I should go".
He is one of those N.H.L. players respected by every peer, and his guidance on a line that includes the young Russian Stanislav (Cheesie) Chistov and the young Swede Samuel Pahlsson has been invaluable to the Ducks.
The company gave no further guidance on a first-quarter profit or loss.
In San Francisco, the city has tightened guidance on a longstanding law regulating shadows.
Jockipedia offers a form of expertise, or at least editorial guidance, on a companion site, The Jockosphere.
In any sport, the obvious place to search for guidance on a team's chances of success is past form.
An opinion leader can be any person to whom others look for guidance on a certain subject.
When the first generation of believers needed guidance on a subject that was not addressed by revelation, they went directly to Muhammad.
Prof Simon Capewell, from the Faculty of Public Health, said: "We fully support Public Health England's new guidance on a healthy diet.
