MODERN NURSING, Volume 13, Issue 33,2007, Pages 3239-3240, doi:10.3760/cma.j.issn.1674-2907.2007.33.035
MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 22, Issue 33,2007, Pages 4650-4653, doi:10.3969/j.issn.1001-4411.2007.33.001
MODERN JOURNAL OF INTEGRATED TRADITIONAL CHINESE AND WESTERN MEDICINE, Volume 16, Issue 33,2007, Pages 5030, doi:10.3969/j.issn.1008-8849.2007.33.109
CHINA PHARMACY, Volume 18, Issue 33,2007, Pages 2584-2585, doi:10.3969/j.issn.1001-0408.2007.33.010
MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 22, Issue 33,2007, Pages 4669-4672, doi:10.3969/j.issn.1001-4411.2007.33.009