Chapter XIII.
Finally, ponder on the nature of hay fever, as discussed in Chapters VI to X, and the advisability of using vaccines or pollen extracts, and you will have done your whole duty by your patient and by your art.
Finally, ponder on the nature of hay fever, as discussed in Chapters VI to X, and the advisability of using vaccines or pollen extracts, and you will have done your whole duty by your patient and by your art.