CJCP     2000 2 (4):  260-262    ISSN: 1008-8830  CN: 43-1301/R Isolation and Purification of Surfactant Protein A and Its Biological Activity YANG Lin-Lin, FENG Zhi-Chun Department of Neonatology, Maternity and Child Health Hospital of Guangdong Province, Guangzhou 510010, China Received: null  Revised: null  Online: null Supporting info