Kent's Repertory of the Homoeopathic Materia Medica › HEAD › PAIN, headache in general › periodic headache › every three or four days
six weeks
James Tyler Kent · Kent's Repertory of the Homoeopathic Materia Medica · 6th American edition · p. 145 · 1 remedies
six weeks
Grade 2 — the book’s highest
Cite: James Tyler Kent, Kent's Repertory of the Homoeopathic Materia Medica, 6th American edition, p. 145 — HEAD; PAIN, headache in general; periodic headache; every three or four days; six weeks