By Dept.of Health
By Pollak, M., Fry, John
By Warin
By Crockett, Antony
By Rees, John
By Major, R. H., etc., Delp, M.H., Manning, R.T.
By David Seedhouse, Lovett, Lisetta
By Carroll, David, Karmally, Wahida S.
By Ajetunmobi, Olajide
By Hutchinson, David R.
By Rennie, Drummond, Guyatt, Gordon H.
By Hall, George M.
By Rapier, C.M.
By Grieve, Andrew
By Olson, Camilla, Neeper, Shawne
By Soraya Dhillon, Andrew Kostrzewski
By Corke
By Toft
By Jecker, Nancy S.
By Hawton, Keith