By Catzel, Pincus, Roberts, I., Ian
By E. Malcolm Symonds, Symonds MD FRCOG FFPHM FACOG(Hon), E. Malcolm, Symonds DM BMedSci BM BS MRCOG, Ian M., E. Malcolm Symonds MD FRCOG FFPHM FACOG(Hon), Ian M. Symonds DM BMedSci BM BS MRCOG
By Rennie, Janet M.
By Hacker MD, Neville F., Moore MD, J. George
By Pitkin BSc MRCOG FRCS, Joan, O'Connor, Rory, Jenner, Chris
By Tindall, V.
By Williams, Neville
By Crafter, Helen
By Green, Josephine M.
By Oakley
By McCracken Jr., George H., Nelson, John D.
By Burnett, C.W.F., Anderson, Mary M.
By Cook, Rebecca J.
By Odendaal, H.J., etc., et al
By K.B. Rao
By Mendling, Werner, Rieth, H., Dora Wirth Languages Ltd.
By Zink, Christoph
By Latthe, Manish, Bath, Sirjit S., Pallavi
By Chamberlain, Geoffrey
By Dalton, Katharina
By Setchell, Marcus E., Lilford, Richard J.
By Clyburn, Paul, Collis, Rachel, Harries, Sarah, Davies, Stuart
By Datta, Sanjay
By East, Leigh
By World Health Organization(WHO)
By Smith, Trevor
By Chard, Tim, Lilford, Richard
By Insley, Jack
By Illingworth
By Chamberlain, Geoffrey, Zander, Luke