title: Occult spinal metastases--early electromyographic manifestation.
mesh_terms: D001416:Back Pain / Q000209:etiology; D001943:Breast Neoplasms / Q000473:pathology; D004576:Electromyography; D006801:Humans; D007414:Intestinal Neoplasms / Q000473:pathology; D007680:Kidney Neoplasms / Q000473:pathology; D008175:Lung Neoplasms / Q000473:pathology; D009362:Neoplasm Metastasis; D010146:Pain / Q000209:etiology; D013125:Spinal Neoplasms / Q000150:complications / Q000175:diagnosis*; D013274:Stomach Neoplasms / Q000473:pathology