Fig. 3From: Systemic analysis of urinary stones from the Northern, Eastern, Central, Southern and Southwest China by a multi-center studyCalcium and phosphorus distribution in calcium oxalate and calcium phosphate crystals (the red dot represented element distribution). a calcium oxalate crystals: A1. The energy spectrum, A2. Calcium distribution; b Calcium oxalate- calcium phosphate mixed crystals: B1. The energy spectrum, B2. Calcium distribution, B3. Phosphorus distribution; c Calcium phosphate crystals: C1. The energy spectrum, C2. Calcium distribution, C3. Phosphorus distributionBack to article page