John Charles Rock (1890-1984) American medical ?
John Charles Rock (1890-1984) American medical scientist in human fertility whose work led to the development of oral contraceptives
Picture No
10673539
Media ID
45226140
Size
2405px x 3000px
(1.0MB)
Credit
Mary Evans / Everett Collection
Usage Restrictions
Strictly editorial use only. Please contact Mary Evans if any other use required
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Biology Chemistry Contraceptives Fertility Oral Pill Sexuality
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