BergströmJ.HenriksonC. O.: Quantitative longitudinal study of alveolar bone tissue in man. I. Changes in alveolar bone tissue following periodontal surgery as recorded by an iodine 125 source. J. Periodont. Res.5 (1970), 237.
2.
BergströmJ.HenriksonC. O.: Quantitative long-term determinations of the alveolar bone mineral mass in man by 125I absorptiometry. II. Following periodontal surgery. Acta radiol. Ther. Phys. Biol.13 (1974), 489.
3.
GreeneJ.VermillionJ.: Oral hygiene research and implications for periodontal care. J. dent. Res.50 (1971), 184.
4.
HenriksonC. O.: Iodine 125 as a radiation source for odontological roentgenology. Acta radiol. (1967) Suppl. No. 269.
5.
HenriksonC. O.BergströmJ.: Quantitative long-term determinations of the alveolar bone mineral mass in man by 125I absorptiometry. I. Accuracy and precision of the method. Acta radiol. Ther. Phys. Biol.13 (1974), 377.
6.
HenriksonC. O.JulinP.: Iodine-125 apparatus for measuring changes in X-ray transmission and the thickness of alveolar process. J. Periodont. Res.6 (1971), 152.
7.
LindheJ.HampS.-E.LöeH.: Experimental Periodontitis in the Beagle dog. J. Periodont. Res.8 (1973), 1.
8.
LöeH.: Human research model for the production and prevention of gingivitis. J. dent. Res.50 (1971), 256.
9.
LöeH.SilnessJ.: Periodontal disease in pregnancy. I. Prevalence and severity. Acta odont. scand.21 (1963), 533.
10.
LöeH.TheiladeE.JensenS. Börglum: Experimental gingivitis in man. J. Periodont.36 (1965), 177.
11.
SilnessJ.LöeH.: Periodontal disease in pregnancy. II. Correlation between oral hygiene and periodontal condition. Acta odont. scand.22 (1964), 121.