preferred_name: CARYA ILLINOINENSIS POLLEN 0.00025 g in 1 mL / QUERCUS VIRGINIANA POLLEN 0.00025 g in 1 mL / ULMUS AMERICANA POLLEN 0.00025 g in 1 mL / ACER NEGUNDO POLLEN 0.00025 g in 1 mL INTRADERMAL SOLUTION [Central Eastern 4 Tree Pollen Mix]