by Cowan, P W, O'Grady, N
Published in Journal of the Royal College of Surgeons of Edinburgh (01.04.2001)

by Cowan, P W
Published in British dental journal (10.02.1990)

by Cowan, P W
Published in Quintessence international (Berlin, Germany : 1985) (01.06.1985)

by Cowan, P W
Published in Journal of the Irish Dental Association (1991)

by Cowan, P W
Published in Journal of the Irish Dental Association (1987)

by Cowan, P W
Published in Journal of the Irish Dental Association (01.01.1982)

by Cowan, P W
Published in Quintessence international (Berlin, Germany : 1985) (01.05.1990)

by Cowan, P W, O'Grady, N
Published in Quintessence international (Berlin, Germany : 1985) (01.07.1990)