The Johns Hopikins University circular, April 1948 : School of Hygiene and Public Health : catalogue number 1948-1949.

• Format: Book
• Language: English
• Published: Baltimore : Johns Hopkins University, 1948.
• Subjects: Johns Hopkins University > School of Hygiene and Public Health; Δημόσια υγεία
• Item Description: Περιλαμβάνει ευρετήριο.
• Physical Description: 120 σ. ; 23 εκ.