Natalia Ratna Sari (2021) PENGARUH LAMA PENYIMPANAN PLASMA SITRAT PADA SUHU 25±1ºC TERHADAP NILAI ACTIVATED PARTIAL THROMBOPLASTIN TIME (APTT). ["eprint_fieldopt_thesis_type_skripsi" not defined] thesis, Poltekkes Kemenkes Yogyakarta.