The phrase "a normal source of" is correct and usable in written English.
It can be used when discussing something that is typically expected or standard in a particular context or situation.
Example: "Water is a normal source of hydration for the human body."
Alternatives: "a typical source of" or "a standard source of".
The IVT data have advantages of being a dataset where we know ground truth and it can be sequenced with standard methods, thereby capturing all normal sources of technical error.
The money is needed because the standards authority's normal source of financing, a levy on paid advertising, would not work for other forms of company-sponsored marketing.
Nucleosome spacing inferred from cfDNA in healthy individuals correlates most strongly with epigenetic features of lymphoid and myeloid cells, consistent with hematopoietic cell death as the normal source of cfDNA.
CDC-42 may affect LIN-12 signaling per se or through promoting the activity of the LET-23/EGFR-Ras-MAPK pathway: although genetic enhancement of lin-12(d) mutations was observed in the absence of the anchor cell, the normal source of inductive signal, it is possible that VAV-1 and CDC-42 affect a basal activity of LET-23 or another receptor tyrosine kinase that promotes Ras activity.
This means that over a million displaced people will be without normal sources of food this coming year – and also that the people of the host communities (where the displaced people have taken refuge, for example EL Fashir) are facing severe food insecurity as well.
The pipe saturation limited the flow rate through the valves and muscles, as normal sources of pressures in the simulations generated a flow rate higher than 45 L/min.
Thousands of reservists, facing months in the desert without their normal sources of news and entertainment, bought portable receivers.
Many of them said they decided not to use the rent money to replace normal sources of revenue, the great majority of which comes from church members themselves.
The problem is, focusing only on traditional metrics often masks long-term forces of change that undercut normal sources of economic value.
