PTT Public Company Limited - Wikipedia PTT Public Company Limited (Thai: บริษัท ปตท จำกัด (มหาชน)) is a Thai state-owned SET -listed petroleum and natural gas company
Partial Thromboplastin Time (PTT) Test - MedlinePlus A partial thromboplastin time (PTT) test measures the time it takes for a clot to form in a blood sample It helps find bleeding and clotting disorders Learn more