Seasonal variation in disease
Subtitle: methodology with application to Pennsylvania data
By: [by] Alfhild Vold Portnoy.
Published: 1944
Place of publication: Philadelphia
Language: eng
Number of pages: 77
Subjects: Medical statistics.; Medical climatology.; Pennsylvania -- Statistics, Vital.
Notes: "References" at end of each chapters II-IV.
Thesis (Ph. D.)--University of Pennsylvania, 1942.
Reproduced from type-written copy.