instruction:
Indicate the presence of numerical data in the abstract (whether numerical data plays a key role in medical records), solely using the information from the abstract.
question:
Abstract: If one excludes trauma, problems of the neck and shoulder in children are relatively uncommon. Still, the pediatrician or family practitioner should have sufficient familiarity to provide the family with appropriate counseling and referral. This article emphasizes the common problems, but also notes less common conditions that, if unrecognized, may have serious impact on the health and well-being of the child.
Question: Does the abstract contain any numerical data?
answer:
No

question:
Abstract: Two patients with Behcet's syndrome had severe esophageal involvement. Both presented the complete clinical pattern (oral, genital, and eye lesions) of Behcet's syndrome. In both, esophageal lesions were associated with other gastrointestinal manifestations, in the first a transient episode of ulcerative ileitis, and in the second patient colitis. In both, the differential diagnosis with inflammatory bowel disease was very difficult. Histology of esophageal lesions was nonspecific; no vasculitis was found. Both patients improved on steroid therapy. Esophageal lesions also improved endoscopically and histologically with steroid therapy. When there is obvious gastrointestinal involvement in Behcet's syndrome, the differential diagnosis from inflammatory bowel disease is very difficult.
Question: Does the abstract contain any numerical data?
answer:
No

question:
Abstract: Injection of homologous DNA sequences into nuclei of cultured mammalian cells induces mutations in the cognate chromosomal gene. It appears that these mutations result from incorrect repair of a heteroduplex formed between the introduced and the chromosomal sequence. This phenomenon is termed 'heteroduplex induced mutagenesis'. The high frequency of these events suggests that this method may prove useful for introducing mutations into specific mammalian genes.
Question: Does the abstract contain any numerical data?
answer:
No