label: Quantitative measurement of insulin-like growth factor-binding protein 4 (IBP4) and sex hormone-binding globulin (SHBG) liquid chromatography-tandem mass spectrometry (LC-MS/MS), in maternal serum, combined with clinical data, reported as predictive-risk stratification for spontaneous preterm birth
label_lc: quantitative measurement of insulin-like growth factor-binding protein 4 (ibp4) and sex hormone-binding globulin (shbg) liquid chromatography-tandem mass spectrometry (lc-ms/ms), in maternal serum, combined with clinical data, reported as predictive-risk stratification for spontaneous preterm birth