TY - RPRT TI - Clinical specular microscopy. I. Optical principles. AU - R A Laing AU - M M Sandstrom AU - H M Leibowitz PY - 1979 DO - 10.1001/archopht.1979.01020020282021 UR - https://pubmed.ncbi.nlm.nih.gov/475644/ ID - 475644 ER -