title: The spring implant operation: a preliminary report.
mesh_terms: D001696:Biomechanical Phenomena; D002648:Child; D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D006801:Humans; D007866:Leg; D009132:Muscles / Q000601:surgery*; D010243:Paralysis / Q000209:etiology / Q000601:surgery*; D011051:Poliomyelitis / Q000150:complications*; D019736:Prostheses and Implants / Q000009:adverse effects; D016135:Spinal Dysraphism / Q000150:complications*; D013537:Sutures; D013710:Tendons / Q000601:surgery