Krohn, Katherine.
Jonas Salk and the polio vaccine. / Katherine Krohn. - Capstone Press, New York, NY, USA : 2010. - 1 CD son., col.
978-1-4296-5223-0
Vacuna contra el polio.
Comics
Jonas Salk.
J CD 741.5 KRO
Jonas Salk and the polio vaccine. / Katherine Krohn. - Capstone Press, New York, NY, USA : 2010. - 1 CD son., col.
978-1-4296-5223-0
Vacuna contra el polio.
Comics
Jonas Salk.
J CD 741.5 KRO