TY - BOOK AU - Loder, Elizabeth. AU - Martin,Vincent T. TI - Headache: in primary care T2 - Key diseases series SN - 1930513380 AV - RC392 .H4122 2004 U1 - 616.8/491 22 PY - 2004/// CY - Philadelphia, PA PB - American College of Physicians KW - Headache KW - diagnosis KW - therapy N1 - Includes bibliographical references ER -