Mary J. Renfrew BSc RGN SCM PhD Midwifery 5 (1989) 205-206. doi:10.1016/S0266-6138(89)80011-7 journal Midwifery Copyright © unknown. Published by Elsevier Ltd Elsevier Ltd 0266-6138 5 4 1989 1989 205-206 205 206 10.1016/S0266-6138(89)80011-7 http://dx.doi.org/10.1016/S0266-6138(89)80011-7 doi:10.1016/S0266-6138(89)80011-7
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