Partial thromboplastin time Partial thromboplastin time English Partial thromboplastin time English English aPTT Activated partial thromboplastin time English English Partial thromboplastin time PTT English English Partial thromboplastin time Partial thromboplastin time Partial thromboplastin time English English English English Partial thromboplastin time activated partial thromboplastin time English English English http://en.wikipedia.org/wiki/Partial_thromboplastin_time aPTT aPTT English aPTT English English English Partial thromboplastin time Partial thromboplastin time English Partial thromboplastin time activated partial thromboplastin time English English Partial thromboplastin time aPTT Partial thromboplastin time aPTT Partial thromboplastin time