Não informado. Transactions of the College of Physicians of Philadelphia.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Transactions of the College of Physicians of Philadelphia.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Transactions of the College of Physicians of Philadelphia.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.