The phrase "and consequently difficult to" is correct and usable in written English.
It can be used to indicate that one situation or condition leads to another that is challenging or hard to manage.
Example: "The project was poorly planned, and consequently difficult to execute within the given timeframe."
Alternatives: "and therefore hard to" or "and as a result challenging to".
Specifically, racial differences could play some role, as most of the studies, sponsored by manufacturers, were performed in the geographical area of the production line and consequently difficult to reproduce in other settings.
Because the root system is not directly accessible and consequently difficult to study, it remains a target for breeders to improve the ability of plants to exploit the mineral and water resources of the soil.
These annotations are infrequent, even rare, in GOA and consequently difficult to retrieve.
Staining with CD56 is notoriously difficult and was therefore less intense than other methods and consequently difficult to quantify.
A complicating factor in safeguarding animal welfare is that the concept itself is only poorly defined and consequently, difficult to translate into measurables [ 24, 69, 122, 123].
They are insoluble in both aqueous and organic solvents and consequently difficult to study biochemically and biophysically (Casadevall et al. 2000).
Although of importance over the vast area of southern Africa, mongoose rabies is less threatening to human and animal health and is consequently difficult to trace in history [ 5].
They therefore involved very different student populations and are, consequently, difficult to compare reliably.
Despite similarities at the gross morphological level among all eukaryotic nuclei, such as a double-membrane boundary perforated with nuclear pores, most of the proteins known to affect nuclear structure in animals are not evolutionarily conserved and are consequently difficult to recognize or absent entirely in plant proteomes [ 1- 3].
While metric methods produce accurate environment representations, these representations present a huge data volume and they are consequently difficult to process in real time.
