"certain branches of" is correct and usable in written English.
You can use it to refer to different areas or categories within a larger concept. For example, "She studied several different disciplines, including certain branches of psychology."
As Dr. Davis put it, "certain branches of the tree of life are being lopped off".
Increasingly, interacting with certain branches of government can be done only online.
Those who study biological anthropology may find themselves going into certain branches of medicine and healthcare.
The second is Clostridium scindens, which tamps down inflammation by stimulating certain branches of the immune system.
This makes me wonder whether "parentism" might be a problem to consider alongside sexism, at least in certain branches of academia.
Certain branches of abstraction are severely geometrical, as if they are a sub-branch of a particularly abstruse form of mathematics.
A certain branch of independent rock got slower and heavier and louder all because of the Melvins, who have been together since 1982.
Sometimes, as is suspected in the case of Georgia, the moves were a deliberate political ploy to weaken one region of the country, a certain branch of government or the political opposition.
"Display is a certain branch of show business and theater and storytelling," Mr. Hoey said as he and Ms. Fargo flipped through a copy of "Windows" in a conference room deep inside Bergdorf on a recent afternoon.
These are traits that are unique to a certain branch of the taxonomy (this is called a clade).
The material was collected under a long time period, reducing the possibility that it was a certain branch of the population included.
