The phrase "are associated with difficult" is not correct in written English.
It seems to be missing a noun after "difficult," such as "difficult tasks" or "difficult situations."
Example: "Many challenges are associated with difficult tasks in project management."
Alternatives: "are linked to challenges" or "are connected with difficulties."
Sleep problems are associated with difficult behaviors and family stress, and are often a focus of clinical attention over and above the primary ASD diagnosis.
Specifically, samples of urine, saliva and serum are associated with difficult sample matrices.
Points 1 to 3 are associated with difficult IV cannulation [ 5, 6].
Both inspiratory and expiratory asynchrony cause discomfort and unnecessary increased work of breathing, and are associated with difficult weaning from mechanical ventilation.
In our opinion, when risk factors for RE are associated with difficult airway management and/or prolonged intubation, a conservative approach consisting of otolaryngology consultation, fiberoptic examination, or a neck computed tomography scan may be undertaken for a safe airway assessment and detection of a potentially critical obstruction.
Clinical data suggest that diaphragmatic dysfunction (DD) is associated with difficult weaning from mechanical ventilation.
So far, previous clinical researches and case reports have documented several factors to be associated with difficult PAC placement [5, 7, 9, 10].
Regarding the implant success rate in the present study, it must be considered that the lost implants were associated with difficult surgical conditions.
Therefore, in this patient, the SEL was thought to have caused the inability to obtain adequate CSF during lumbar puncture, and was associated with difficult spinal anesthesia.
Tactile defensiveness in children is associated with difficult social relations, emotional dysregulation, and inattention.
