TY - GEN AU - Howard,M R AU - Milligan,D W TI - Quality of anticoagulant control SN - 0141-9854 PY - 1987///0212 KW - Anticoagulants KW - therapeutic use KW - Follow-Up Studies KW - Humans KW - Quality of Health Care KW - Time Factors N1 - Publication Type: Letter ER -