de Céspedes Montealegre, C. (1987). Problems in implementing newborn screening in Costa Rica.
Čikaški stil citiranjade Céspedes Montealegre, Carlos. Problems in Implementing Newborn Screening in Costa Rica. 1987.
MLA način citiranjade Céspedes Montealegre, Carlos. Problems in Implementing Newborn Screening in Costa Rica. 1987.
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