Whooping cough in Maryland /

• Corporate Author: Maryland State Department of Health
• Format: Book
• Language: English
• Published: Baltimore : [χ. ό.], 1931.
• Series: Bureau of Vital Statistics bulletin 1
• Subjects: Μεταδοτικές ασθένειες; Κοκκύτης
• Physical Description: 16 σ. : πίν. ; 23 εκ.