label: Quantitative measurement of insulin-like growth factor-binding protein 4 and sex hormone-binding globulin (SHBG) in maternal serum by LC-MS/MS to evaluate risk of premature birth
label_lc: quantitative measurement of insulin-like growth factor-binding protein 4 and sex hormone-binding globulin (shbg) in maternal serum by lc-ms/ms to evaluate risk of premature birth