Knerr › COUGH AND EXPECTORATION › EXPECTORATION
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Expectoration, black ☞ dark
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Calvin B. Knerr, Repertory of Hering's Guiding Symptoms (1896), p. 773 — COUGH AND EXPECTORATION; EXPECTORATION; blackKnerr › COUGH AND EXPECTORATION › EXPECTORATION
Expectoration, black ☞ dark
Cite
Calvin B. Knerr, Repertory of Hering's Guiding Symptoms (1896), p. 773 — COUGH AND EXPECTORATION; EXPECTORATION; black