TY - GEN AU - Larget-Piet,L AU - Berthelot,J AU - Guittet,J AU - Hamon,A AU - Larget-Piet,A AU - Rouchy,R TI - [Ring chromosome 21. A new case] SN - 0031-4021 PY - 1977///0226 KW - Chromosome Aberrations KW - diagnosis KW - Chromosome Disorders KW - Chromosomes, Human, 21-22 and Y KW - Female KW - Genetic Counseling KW - Humans KW - Infant, Newborn KW - Karyotyping KW - Male KW - Pregnancy KW - Prenatal Diagnosis N1 - Publication Type: Case Reports; English Abstract; Journal Article ER -