The physicians' headaches: syndromes of the back, neck, and shoulder. The rheumatologist.

@article{Ehrlich1969ThePH,
  title={The physicians' headaches: syndromes of the back, neck, and shoulder. The rheumatologist.},
  author={George Edward Ehrlich},
  journal={Pennsylvania medicine},
  year={1969},
  volume={72 7},
  pages={89-91}
}