The phrase "a variety of normal" is correct and usable in written English.
It can be used to describe different forms or instances of what is considered normal in a particular context.
Example: "In our study, we found a variety of normal responses to the treatment among the participants."
Alternatives: "a range of normal" or "multiple forms of normal."
CEA is overexpressed in many epithelial cancers but is also expressed in a variety of normal epithelial cells (Hammarstrom, 1999).
MUC1 mucin is a multifunctional glycoprotein expressed in a variety of normal human epithelial tissues and cancers.
Detailed sensitivities of the VFM cost function to these material parameters are derived for a variety of normal stress to shear stress ratios and loading rates.
Amphiregulin (AREG) and Fractalkine (FRACT), are involved in a variety of normal and pathological processes, and are both suggested to be relevant to joint degeneration.
There is as yet little to distinguish the cancerous cell from a variety of normal cells which have also been analyzed (Reiskin and Mendelsohn 1964) as basis of such efforts.
In 1946, Louis Essen and A.C. Gordon-Smith established the frequency for a variety of normal modes of microwaves of a microwave cavity of precisely known dimensions.
Hedgehog (HH) signaling plays a critical role in a variety of normal cellular processes.
EpCAM (CD326) is encoded by the tacstd1 gene and expressed by a variety of normal and malignant epithelial cells and some leukocytes.
Members of the claudin family are expressed in a highly tissue-specific manner in a variety of normal and neoplastic tissues [16].
In particular, prkcd triggers cell migration and confers metastatic potential to a variety of normal and tumor cells, such as breast [21], [22] and gastric cancer cells [23].
Using this unbiased approach we unexpectedly discovered that CGs are potent general protein synthesis inhibitors in a variety of normal and transformed human cells.
