TY - GEN AU - Valcárcel,Marta AU - García,Inés AU - García,Lourdes AU - Rivera,Juan A TI - [Historical outline of neonatology in Puerto Rico] SN - 0004-4849 PY - 2012///0910 KW - History, 20th Century KW - History, 21st Century KW - Neonatology KW - history KW - Puerto Rico N1 - Publication Type: Historical Article; Journal Article ER -