Ondansetron and metoclopramide as second-line antiemetics in women with nausea and vomiting in pregnancy: the EMPOWER pilot factorial RCT oleh Stephen Robson, Catherine McParlin, Helen Mossop, Mabel Lie, Cristina Fernandez-Garcia, Denise Howel, Ruth Graham, Laura Ternent, Alison Steel, Nicola Goudie, Afnan Nadeem, Julia Phillipson, Manjeet Shehmar, Nigel Simpson, Derek Tuffnell, Ian Campbell, Rew Williams, Margaret E O’Hara, Elaine McColl, Catherine Nelson-Piercy