Chromosome studies--who needs them?
D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D003376:Counseling; D006801:Humans; D007621:Karyotyping; D007938:Leukemia / Q000175:diagnosis; D009369:Neoplasms / Q000175:diagnosis; D012729:Sex Chromosome Aberrations / Q000175:diagnosis