TY - GEN AU - Kadar,N AU - Bohrer,M AU - Kemman,E AU - Shelden,R TI - A prospective, randomized study of the chorionic gonadotropin-time relationship in early gestation: clinical implications SN - 0015-0282 PY - 1993///1019 KW - Chorionic Gonadotropin KW - blood KW - Female KW - Humans KW - Osmolar Concentration KW - Pregnancy KW - Pregnancy Trimester, First KW - Prospective Studies KW - Regression Analysis KW - Specimen Handling KW - Time Factors N1 - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial UR - https://doi.org/10.1016/s0015-0282(16)56151-2 ER -