TY - RPRT TI - Biphasic changes in hemoglobin A1c concentrations during normal human pregnancy. AU - R L Phelps AU - G R Honig AU - D Green AU - B E Metzger AU - M C Frederiksen AU - N Freinkel PY - 1983 DO - 10.1016/0002-9378(83)90443-x UR - https://pubmed.ncbi.nlm.nih.gov/6605685/ ID - 6605685 ER -