Spray, R. S., & Johnson, E. J. (1946). The Preparation of Loeffler's Serum and Similar Coagulable Mediums.
Παραπομπή Chicago StyleSpray, Robb Spalding, και Elmer Jay Johnson. The Preparation of Loeffler's Serum and Similar Coagulable Mediums. 1946.
Παραπομπή MLASpray, Robb Spalding, και Elmer Jay Johnson. The Preparation of Loeffler's Serum and Similar Coagulable Mediums. 1946.
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