Table 1

List of investigations on which the general paediatricians were asked to comment: ‘I would perform’, ‘I would perform if facilities’, ‘Not necessary’, ‘No views’

Type of investigation
 • Thyroxine
• Free thyroxine
• Triiodothyronine
• Free triiodothyronine
• Thyroid stimulating hormone
• Autoimmune antibody screen
• Thyroglobulin
• Thyroid binding globulin
• Heterophil antibodies
• Thyrotrophin releasing hormone stimulation
• Radiography of knee
• Ultrasound of neck
• Radioiodine uptake scan
• Technetium uptake scan
• Perchlorate discharge