AU - BLEYER A TI - ROle of advancing maternal age in causing achondroplasia PT - JOUR DP - 1939 TA - American Journal of Diseases of Children pages = {994-1000}, VI - 58 IP - 5 AID - 10.1001/archpedi.1939.01990100076008 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.1939.01990100076008 SO - American Journal of Diseases of Children November 1, 1939 58(5):994