Kent's Repertory of the Homoeopathic Materia Medica › COUGH › LYING agg.

face, great rattling of mucus, which appears to be low down in chest, while cough does not seem to reach there, only to throat-pit, consequently hard cough does not reach phlegm unless he lie on his face when he brings up a greenish-yellow or a pale greenish-yellow gelatinous mucus without taste

James Tyler Kent · Kent's Repertory of the Homoeopathic Materia Medica · 6th American edition · p. 797 · 1 remedies
face, great rattling of mucus, which appears to be low down in chest, while cough does not seem to reach there, only to throat-pit, consequently hard cough does not reach phlegm unless he lie on his face when he brings up a greenish-yellow or a pale greenish-yellow gelatinous mucus without taste

Cite: James Tyler Kent, Kent's Repertory of the Homoeopathic Materia Medica, 6th American edition, p. 797 — COUGH; LYING agg.; face, great rattling of mucus, which appears to be low down in chest, while cough does not seem to reach there, only to throat-pit, consequently hard cough does not reach phlegm unless he lie on his face when he brings up a greenish-yellow or a pale greenish-yellow gelatinous mucus without taste