Ihmisen ääni
By: Arvo Ylppö ; toimittanut, Irma Heydemann.
Contributors: Heydemann, Irma.
Publisher: Söderström
Published: 1979
Place of publication: Porvoo
Language: fin
Number of pages: 175
Subjects: Ylppö, Arvo.; Pediatricians -- Finland -- Biography.; Pediatrics.; Children -- Health and hygiene.