The phrase "established close contacts" is a correct and usable phrase in written English.
You can use this phrase when referring to the initiation of relationships between two or more people, associations, groups, etc. For example, "The two companies established close contacts with each other in order to expand their business opportunities."
Carlyle, a US-based group which has established close contacts with the Ministry of Defence after its involvement with the privatisation of QinetiQ, the former MoD research arm, wanted to use a Devonport acquisition as part of a wider bid to take over submarine building in Britain.
The IRP's leaders and some of its followers fled to Russia and Afghanistan, where they established close contacts with Ahmad Shah Masoud, the commander of the Northern Alliance and an ethnic Tajik.Secular trendsHowever, the civil conflict was driven more by regional rivalry than by plans to establish an Islamic state.
Cell attachment assay showed that the ceramics supported the hASC cells adhesion and spreading, and the cells established close contacts with the ceramics after 24 h of culture.
In addition, cell attachment assay showed that the ceramics supported the adult mesenchymal stem cells of human origin (hMSCs-A) adhesion and spreading, and the cells established close contacts with the ceramics after 24 h of culture.
With the language advantage, X established close contact with Italian customers.
As shown in the SEM images, the cells established close contact with the scaffold surface, displaying spherical morphologies and 8(f)) with numerous filopodia and lamellipodia, 8 e), and 8(f)).
Not only are they enclosed in the endothelial cells basal lamina, but they even establish close contacts with endothelial cells.
Under normal conditions, epithelial cells (including AECs) establish close contacts with their neighbors through laterally located intercellular junction complexes (i.e., tight junctions (TJs) and adherens junctions), and they reside on the basement membrane (BM) [ 19, 20].
Normally, the use of ultrasound replaces the conventional agitation and heating required to establish close contact between the two immiscible phases involved in this reaction (triglycerides and methanol).
In addition, as Rosen (1971, 323) noted, "In establishing close contact with Novara, Copernicus met, perhaps for the first time in his life, a mind that dared to challenge the authority of [Ptolemy] the most eminent ancient writer in his chosen fields of study".
Schwann cells in the PNS establish close contact with axons and produce myelin, a specialized membraneous structure that permits rapid nerve conduction [18], [19].
