“…Gilmour (1944) in this country and Potter (1944; in America have presented authoritative accounts of the pathology of haemolytic disease, but, as the former points out, this aspect of the condition has received far less attention than it has merited. Present Investigation The clinical records of all cases of haemolytic disease in the Simpson Memorial Maternity Pavilion, Edinburgh, the Royal Hospital for Sick Children, Edinburgh, and the Elsie Inglis Memorial Maternity Hospital, Edinburgh, in the period 1937-47 have been studied.…”