TY - RPRT TI - A microprocessor based photoplethysmograph for use in clinical practice. AU - I P Wright AU - M Griffiths AU - C Childs PY - 1995 DO - 10.1111/j.1365-2044.1995.tb05855.x UR - https://pubmed.ncbi.nlm.nih.gov/7485878/ ID - 7485878 ER -