Complex sentence: Dr. Hall then went to Johns Hopkins University in Baltimore where she did postdoctoral fellowships in Medical Genetics with Dr. Victor McKusick and in Pediatric Endocrinology with Dr. Robert Blizzard and trained in pediatrics at Johns Hopkins Hospital from 1969 to 1971.
Split into simpler sentences: Dr. Hall then went to Johns Hopkins University in Baltimore where she did postdoctoral fellowships in Medical Genetics with Dr. Victor McKusick and in Pediatric Endocrinology with Dr. Robert Blizzard. She then trained in pediatrics at Johns Hopkins Hospital from 1969 to 1971.