'sporadic interaction' is correct and usable in written English.
It is often used to describe intermittent or infrequent communication between two people or groups. For example, "The two countries had sporadic interaction over the years, but diplomatic relations were never re-established."
Such increased interactions are seen among patients within a healthcare system like the VA system in the US versus sporadic interactions which may be seen with FFS healthcare.
In contrast, we find little evidence that scores are affected by the personal characteristics of reviewers, no significant interactions between author and reviewer gender, language, and institutional prestige and only sporadic interactions between author and reviewer region.
Early contact between foreigners and natives was generally limited to the fur trade in the headwaters and sporadic trade interactions along the lower river.
Appliance-makers are built to profit from that one, rare purchase, focussing their marketing, customer research, and internal financial analysis on brief, sporadic, high-stakes interactions.
The vast Tibetan plateau separated the Indian and Chinese civilizations throughout history, limiting their interaction to sporadic cultural and religious contacts, with political relations absent.
In two further studies, multifactor dimensionality reduction (MDR, Moore 2010) was applied to detect gene gene interactions in sporadic amyotrophic lateral sclerosis (Greene et al. 2010) and age-dependent macular degeneration (Yang et al. 2011).
However, we are unaware of any studies that have examined the interaction with a sporadic (nonsyndromic) family history.
However, evidence supporting pharmacokinetic interactions is somewhat sporadic.
The method was first proposed by Ritchie et al. [ 3] to detect estrogen-metabolism gene interactions associated with sporadic breast cancer.
While the majority of PD cases are sporadic, likely resulting from complex interactions among gene susceptibility and environmental factors, around 10% of patients present monogenic forms of the disease (Lesage & Brice, 2009).
