共 50 条
- [2] SPINAL DEFECTS IN HIGH-FLUORIDE AND LOW-FLUORIDE AREAS [J]. LANCET, 1957, 2 (OCT26): : 848 - 848
- [3] FLUORIDE CONTENTS OF SURFACE ENAMEL IN HIGH-FLUORIDE AND LOW-FLUORIDE AREAS STUDIED WITH A SENSITIVE PHYSICAL METHOD [J]. SCANDINAVIAN JOURNAL OF DENTAL RESEARCH, 1974, 82 (03): : 197 - 201
- [4] THE INCIDENCE OF SPINAL DEFECTS IN HIGH-FLUORIDE AND LOW-FLUORIDE AREAS [J]. LANCET, 1957, 2 (OCT12): : 712 - 713