by Helldén, Leif B., Dérand, Tore, Johansson, Stig, Lindberg, Anders
Published in The Journal of prosthetic dentistry (01.10.1999)

by Helldén, L B, Dérand, T
Published in The International journal of oral and maxillofacial implants (01.03.1998)

by Listgarten, M A, Helldén, L
Published in Journal of clinical periodontology (01.06.1978)

by Wouters, F R, Salonen, L W, Frithiof, L, Helldén, L B
Published in Journal of clinical periodontology (01.03.1993)

by Helldén, L, Salonen, L, Gustafsson, I
Published in Swedish dental journal (1989)

by Salonen, L, Allander, L, Bratthall, D, Togelius, J, Helldén, L
Published in Swedish dental journal (1989)

by Salonen, L W, Frithiof, L, Wouters, F R, Helldén, L B
Published in Journal of clinical periodontology (01.04.1991)

by Salonen, L, Helldén, L, Carlsson, G E
Published in Journal of craniomandibular disorders (1990)

by Wouters, F R, Salonen, L E, Helldén, L B, Frithiof, L
Published in Journal of clinical periodontology (01.03.1989)

by Helldén, L, Lundgren, D, Heyden, G
Published in Journal of periodontal research (01.01.1974)

by Kahnberg, K E, Lindhe, J, Helldén, L
Published in Journal of periodontal research (01.01.1976)

by Salonen, L, Axéll, T, Helldén, L
Published in Journal of oral pathology & medicine (01.04.1990)

by Salonen, L., Allander, L., Bratthall, D., Hellden, L.
Published in Journal of dental research (01.08.1990)

by Salonen, L, Mohlin, B, Götzlinger, B, Helldén, L
Published in European journal of orthodontics (01.10.1992)

by Helldén, L B, Listgarten, M A, Lindhe, J
Published in Journal of clinical periodontology (01.08.1979)

by Morris, M L, Helldén, L
Published in Scandinavian journal of dental research (1974)

by Helldén, L, Lindhe, J, Attström, R, Sundin, Y
Published in Helvetica odontologica acta (01.04.1973)

by Heyden, G., Helldén, L., Arwill, T.
Published in Oral surgery, oral medicine, oral pathology (1972)

by Helldén, L, Blomberg, S, Woxberg, B, Ohman, A
Published in Svensk tandlakare tidskrift. Swedish dental journal (1974)

by Hellden, L B, Elliot, A, Steffensen, B, Steffensen, J E
Published in Journal of periodontology (1970) (01.04.1989)