TY - GEN AU - O'Rourke,M TI - Distal coronary-artery constriction in angina pectoris SN - 0028-4793 PY - 1991///0212 KW - Angina Pectoris KW - pathology KW - Constriction, Pathologic KW - Coronary Vessels KW - Humans N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1056/NEJM199101313240514 ER -