21.   The standard operation to correct it is brutal, but now, Dr. Donald Nuss, a pediatric surgeon, has devised an easier way.

a. + surgeon >>共 237
orthopedic 23.57%
general 4.64%
oral 3.00%
orthopaedic 3.00%
cosmetic 2.80%
cardiac 2.61%
pediatric 2.03%
chief 1.74%
russian 1.64%
former 1.45%
pediatric + n. >>共 127
surgeon 5.88%
hospital 4.76%
ward 3.36%
cancer 3.08%
nurse 2.80%
medicine 2.52%
cardiologist 2.24%
neurologist 2.24%
clinic 2.24%
practice 1.96%
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