Quantitative ultrasound is a cheaper but less accurate alternative to the standard technique of measuring this quantity. Drugs used to increase this quantity include alendronate (15[1])and zoledronate. (15[1])Age, (15[1])height, weight, (15[1])TBS, and this quantity (15[1])are the main inputs of the FRAX tool. Jean Lobstein described a condition in which this quantity is low that often results in blue sclerae. Since sex hormones increase this quantity, a decrease in this quantity is a common side effect of (*) puberty blockers and androgen deprivation therapy. This quantity is typically measured with DEXA scans. Inability to form type I collagen (10[1])leads to this quantity being low in a condition partially called ■END■