Marshall, John, 1922-
The infertile period : principles and approach / John Marshall. - Baltimore : Helicon Press, c1963. - viii. 118 p. : ill.
Includes bibliography, appendices and index.
Conception--Prevention
The infertile period : principles and approach / John Marshall. - Baltimore : Helicon Press, c1963. - viii. 118 p. : ill.
Includes bibliography, appendices and index.
Conception--Prevention