San และ Rath Kim. (1995) Risk factors of low birth weight babies ; a hospital-based case-control study in Rajainthi hospital Bangkok, Thailand. Mahidol University,:ม.ป.ท.San และ Rath Kim. 1995. Risk factors of low birth weight babies ; a hospital-based case-control study in Rajainthi hospital Bangkok, Thailand. ม.ป.ท.:Mahidol University,;San และ Rath Kim. Risk factors of low birth weight babies ; a hospital-based case-control study in Rajainthi hospital Bangkok, Thailand. ม.ป.ท.:Mahidol University, 1995. Print.