Hubungan kualitas pelayanan antenatal dengan pengetahuan dan sikap ibu hamil terhadap tanda bahaya kehamilan di kecamatan koja pada bulan maret 2013 = Relationship between quality of antenatal care and knowledge and attitude of pregnant women toward danger signs of obstetric at kecamatan koja in march 2013 / Afiffa Mardhotillah ([;Universitas Indonesia. Fakultas Kedokteran, Fakultas Kedokteran Universitas Indonesia], 2014)