Sentence examples for and difficult to recognize from inspiring English sources

Normally, an unpaved road boundary is blurry and difficult to recognize.

The occurrence of TOS under general anesthesia is considered rare and difficult to recognize, so only a few case reports have been published [2 4].

Userkaf's mortuary temple and cult pyramid are today completely ruined and difficult to recognize.

28, 30 In the elderly, symptoms of hypoglycemia may be atypical and difficult to recognize, resulting in delayed treatment.

Capping protein always exists as an α/β dimer [ 37] and it is possible the α subunit is divergent in Toxoplasma and Cryptosporidium and hence difficult to recognize at present.

In some cases, hypothyroidism is very mild and is difficult to recognize because it causes few symptoms.

When work practice becomes routine, it slips to the background of the conscious awareness and becomes difficult to recognize without the context to support recall.

After being introduced, LCMV transmission is easily maintained among mouse colonies and is difficult to recognize because mice do not appear ill.

Additionally, part of the clinical sociomaterial work practice is of a tacit nature, because when work practice becomes routine (know-how), it slips to the background of the conscious awareness and becomes difficult to recognize without having the context to support recall [ 10, 13, 27, 28].

Viral hemorrhagic fevers are important because they can readily spread within a hospital or mortuary setting, there is no effective cure or vaccine, they have a high mortality rate and they are difficult to recognize and diagnose rapidly.

Many diseases of the external and middle ear are difficult to recognize and evaluate based on radiological images only, without knowledge concerning clinical symptoms and otoscopy findings.